Transformers: an ideal step-up transformer doubles a primary voltage of 110 v. what is the ratio of the number of turns in its primary coil to the number of turns in the secondary coil?

Answers

Answer 1

The ratio of the number of turns in the primary and the secondary coil of a step-up transformer is 1 : 200.

The formula for calculating the secondary voltage in a transformer is: N = V = Where No and N are the primary and secondary coils' respective turn counts; V and V are the RMS voltages across the primary and secondary coils, and I and Is are the primary and secondary currents.

Calculation: Due to this:

The coil's N2 to Ns turn ratio is 1/20.

We understand that N=1/20 = 4/LP: Is = 20:1.

The transformer uses the following principles: A wire's magnetic field moves as a result of a changing current flowing through it. A wire exposed to a moving magnetic field will create a changing current.One of the coils produces a magnetic field that grows and contracts in response to the changing voltage of the AC when an AC source is connected to it.

In other words, the coil generates a growing magnetic field as the voltage across it rises. The magnetic field generated around the capacitor increases when the voltage reaches its maximum and starts to decline.

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Related Questions

if a fishing pole is 1.5m long, how long is the fishing pole in km?​

Answers

The fishing pole is 0.0015km

The component of the normal force on the object parallel to the plane balances the friction force on the object.True/False

Answers

True. The component of the normal force on the object parallel to the plane balances the friction force on the object at rest.

What is component of normal force parallel to the plane?

An object placed on an inclined plane is subject to three forces, namely;

Normal force acting downwardsComponent of the normal force acting parallel to the planeFrictional force, parallel to the plane

Net force acting on the object at rest

∑F = 0

mg sinθ   -  μFₙ cosθ = 0

mg sinθ = μFₙ cosθ

where;

mg sinθ is component of the normal force acting parallel to the planeμFₙ cosθ is frictional force, parallel to the plane

Thus, the component of the normal force on the object parallel to the plane balances the friction force on the object at rest.

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If a 3. 0 v potential difference causes a 0. 60 a current to flow through a resistor, its resistance is_________.

Answers

The resistance is 5  Ω.

Resistance is a degree of the opposition to present day waft in an electrical circuit. Resistance is measured in ohms, symbolized via the Greek letter omega (Ω). Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the connection between voltage, modern-day and resistance.

Ohm's regulation states that the voltage or capacity difference among points is without delay proportional to the modern or energy passing through the resistance, and directly proportional to the resistance of the circuit. The system for Ohm's regulation is V=IR.

Potential difference (V) = 3.0 volt

current (I) = 0.60 ampere

   V = IR

 Resistance (R) = v/I

                         = 3/0.60

                         = 5 Ω

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Bootes is a constellation found near __________________
-The Big Dipper
-Orion
-Taurus

Answers

Answer:

The Big Dipper

Explanation:

Bootes is near the "Big Dipper" which is itself part of Ursa Major.

A ________ is a collection of related data, equivalent to an electronic file cabinet.

Answers

Answer:

database

Explanation:

A database is a collection of related data, equivalent to an electronic file cabinet. The correct option is B.

What is a database?

A database is a structured collection of data that is stored and accessed electronically in computing. Small databases can be kept on a file system, whereas large databases are kept on computer clusters or in the cloud.

A database is a well-organized gathering of information or data that is customarily entered into the system in a computer system. A database management system is usually in charge of such a database (DBMS).

A database system retail locations critical business data: the data, when analyzed, becomes valuable information about a company and aids in decision-making.

Database structure is the components of a database. This is actually a new way between entities.

Thus, the correct option is B.

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A)gallery

B)database

C)spreadsheet

D)presentation

The diagram below shows a wire carrying a current between the poles of a large horseshoe magnet.



In which direction does the magnetic force act on the wire?

A
towards 1

B
towards 2

C
towards 3

D
towards 4

Answers

The magnetic force is acting towards 2.

It is given that the diagram below shows a wire carrying a current between the poles of a large horseshoe magnet.

We need to determine in which direction does the magnetic force act on the wire.

We will use Fleming's left hand rule here.

It states that

If we arrange our thumb, forefinger and middle finger of the left-hand perpendicular to each other, then the thumb points towards the direction of the force experienced by the conductor, the forefinger points towards the direction of the magnetic field and the middle finger points.

According to this, the magnetic force is acting towards 2.

Option B is correct.

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The magnetic force is acting towards 2 direction. the correct answer is option(b).

An electric charge, an electric current, and magnetic materials are all affected magnetically by a magnetic field, which is a vector field. A force perpendicular to the magnetic field and its own velocity acts on a moving charge in a magnetic field. Given that the illustration below depicts a wire conducting a current between the poles of a sizable horseshoe magnet, it is assumed. We must ascertain the direction in which the magnetic force acts on the wire.

Here, the Fleming left-hand rule will be applied. The thumb, forefinger, and middle finger of the left hand are arranged perpendicular to one another, with the thumb pointing in the direction of the force experienced by the conductor and the forefinger and middle finger pointing in the direction of the magnetic field. This indicates that the magnetic force is pulling in the direction of 2.

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With e in volts per meter and t in seconds. at t = 0, the field is upward. the plate area is 4. 3 × 10-2 m2. for t > 0, what is the magnitude of the displacement current between the plates?

Answers

The magnitude of the displacement current between the plates is    [tex]2.1*10^{-8} A[/tex]

Given,

A=4.3*[tex]10^{-2} m^{2}[/tex]

[tex]E=(4.0*10^{5})-(6.0*10^{4}t)\\[/tex]

[tex]i_{d} =ϵ_{0} *\frac{dϕ_{E} }{dt } =ϵ_{0}A\frac{dE}{dt}[/tex]

[tex]i_{d}[/tex]=[tex]ϵ_{0}[/tex]*A*[tex]\frac{d}{dt}[/tex][tex](4.0*10^{5})-(6.0*10^{4}t)[/tex]=[tex]-ϵ_{0} *A*6.0*10^{4}[/tex]

= -[tex](8.85*10^{-12})(4.0×10*^{-2})(6.0×10^{4})[/tex]=[tex]-2.1*10^{-8} A[/tex]

Current

An electrical charge carrier flow known as current often involves electrons or atoms lacking in electrons. The capital letter I is frequently used as a symbol for current. Amperes are the common unit and are denoted by the letter A. A coulomb of electrical charge moves past a certain place in one second as one ampere of current does. Franklin current or conventional current are terms used by physicists to describe how current flows from relatively positive to comparatively negative sites. Negatively charged electrons are the most prevalent charge carriers. They move in a somewhat good direction from relatively negative points.

With e in volts per meter and t in seconds. at t = 0, the field is upward. the plate area is 4. 3 × 10-2 m2. for t > 0, what is the magnitude of the displacement current between the plates?

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In a particular electrolysis process, eocathode = -1. 151 v and eoanode = 1. 548 v. what minimum voltage must be applied to drive the nonspontaneous process?

Answers

In a particular electrolysis process, Eο cathode = -1.151 v and Eο anode = 1.548 V. The minimum voltage must be applied to drive the non-spontaneous process is 2.699V.

Electrode Potential Or Voltage is the emf of a galvanic cell where emf is called as the Electromotive force.

Electrode Potential of a spontaneous cell is positive. Hence to make a non-spontaneous cell into a spontaneous cell, the voltage or potential applied should be positive to make the cell working.

We know that,

Electrode Potential = Electrode Potential of cathode - Electrode Potential of anode

where, Electrode Potential of cathode = -1.151V

            Electrode Potential of anode = 1.548V

On substituting,

⇒ Electrode Potential = -1.151V - 1.548V

⇒ Electrode Potential = - 2.699V

Hence, the minimum voltage to drive a non-spontaneous cell into a spontaneous cell should be at least 2.699V.

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A particle moving at speed 0. 24 cc has momentum p0p0. the speed of the particle is increased to 0. 68 cc. part a what is its momentum now?

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A particle moving at speed 0.24 c has momentum P₀. The speed of the particle is increased to 0.68 c then its momentum would be 2.85P₀.

Momentum is the result of a particle's mass and velocity. Being a vector quantity, momentum possesses both magnitude and direction.

Mathematically the formula of the momentum is

P = mv

where P is the momentum of the particle

m is the mass of the particle

v is the velocity by which the particle is moving

As mentioned in the question when the particle is moving with 0.24c velocity it has a momentum of P₀

P₀ = m*(0.24c)

If the speed of the particle is increased to 0.68 c the momentum would be

P=m*(0.68c)

by dividing the second equation from the first one

P₀/P = 0.24c/0.68c

P₀/P = 0.35

P =2.85P₀

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How wide in m is a single slit that produces its first minimum for 631-nm light at an angle of 12. 0°? m

Answers

The single slit  is 3.34 * [tex]10^{-5}[/tex] m wide .

In the single-slit diffraction experiment, we can observe the bending phenomenon of light or diffraction that causes light from a coherent source to interfere with itself and produce a distinctive pattern on the screen called the diffraction pattern.

Diffraction is evident when the sources are small enough that they are relatively the size of the wavelength of light.

Fringe width is defined as the distance between any two consecutive bright or dark fringes.

Using the formula ,

nλ = a sin θ

a = nλ /sin θ

a  = (1) (631 *[tex]10^{-9}[/tex] ) / sin (12)

a = 3.34 * [tex]10^{-5}[/tex] m

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When testing for friction loss coefficients, departments that use a pitot tube should use:_________.

Answers

When testing for friction loss coefficients, departments that use a pitot tube should use Smooth bore nozzle

The pitot tube is a simple and convenient instrument to measure the difference between static, total and dynamic pressure (or head) .

It is a device used to measure velocity in pipe, wide tunnel, aero planes , etc. Pitot tube is completely based on its principle that if the velocity of flow at any point becomes Zero. A pressure measuring instrument used to measure fluid flow speed, especially used to determine the airspeed of an aircraft

Smooth bore nozzles also use the lowest engine pump pressures, allowing for maximum reach. Smooth bore nozzles are often referred to as solid bore nozzles because they produce a solid stream to provide maximum reach and penetration to the seat of the fire.

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What constant acceleration is required to increase the speed of a car from 27 mi/h to 53 mi/h in 3 s? (round your answer to two decimal places. ) ft/s2

Answers

The constant acceleration is required to increase the speed of a car from 27 mi/h to 53 mi/h in 3 s will be 0.01 ft /[tex]s^{2}[/tex]

Velocity defines the direction of the movement of the body or the object. Speed is primarily a scalar quantity. Velocity is essentially a vector quantity. It is the rate of change of distance. It is the rate of change of displacement.

Acceleration, rate at which velocity changes with time, in terms of both speed and direction. A point or an object moving in a straight line is accelerated if it speeds up or slows down.

initial velocity = 27 m/h = 0.0075 m/s

final velocity = 53 m/h = 0.0147 m/s

acceleration = ( final velocity  -  initial velocity ) / time

                     =  (0.0147  - 0.0075)  / 3

                     = 0.0024 m/[tex]s^{2}[/tex]

                     = 0.01 ft /[tex]s^{2}[/tex]

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The potential difference across a and b is 15 v. determine the electrical charge on the 3 μf capacitor?

Answers

The potential difference across a and b is 15 v. determine the electrical charge on the 3 μf capacitor will be 45 *  [tex]10^{-6}[/tex] C

Capacitance, property of an electric conductor, or set of conductors, that is measured by the amount of separated electric charge that can be stored on it per unit change in electrical potential. Capacitance also implies an associated storage of electrical energy.

Charge (Q) stored in a capacitor is the product of its capacitance (C) and the voltage (V) applied to it. The capacitance of a capacitor should always be a constant, known value. So we can adjust voltage to increase or decrease the cap's charge. More voltage means more charge, less voltage... less charge.

charge = capacitance * voltage

Q = CV

   =  3  * [tex]10^{-6}[/tex] * 15 v

   = 45 *  [tex]10^{-6}[/tex] C

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__ modified the concept by adding an internal combustion engine and marketing hybrids that were part electric and part gas powered

Answers

Hybrid

Hybrid modified the concept by adding an internal combustion engine and marketing hybrids that were part electric and part gas powered.

The driving wheels of hybrid vehicles receive power from their drivetrains. A hybrid car has numerous sources of propulsion.There are numerous hybrid configurations. A hybrid vehicle might, for instance, get its energy from burning gasoline while alternating between an electric motor and a combustion engine.Although they have primarily been employed for rail locomotives, electrical vehicles have a long history of integrating internal combustion and electrical transmission, like in a diesel-electric power-train. Because the electric drive transmission directly substitutes the mechanical gearbox rather than serving as an additional source of motive power, a diesel-electric powertrain does not meet the definition of a hybrid.Only the electric/ICE hybrid car type was readily accessible on the market as of 2017. One type used parallel operation to power both motors at the same time. Another ran in series, using one source to supply power solely and the other to supply electricity. Either source may act as the main driving force, with the other source serving to strengthen the main.

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examples of different types of energy that are PE

Answers

[tex]\quad \quad\quad \huge \underline{\tt{ANSWER᭄}}[/tex]

[tex] \quad\quad\quad\quad[/tex]

[tex] \blue{ \star}[/tex]Magnetic Energy :

Compass

Hard disk drives

[tex] \blue{ \star}[/tex]Gravitational Energy :

Writing with pen on paper

Ripe fruit before it falls

[tex] \blue{ \star}[/tex]Nuclear Energy :

Electricity

Nuclear Weapons

[tex] \blue{ \star}[/tex]Thermal energy :

Baking in an oven

A cup of hot chocolate

The shoemaker-near spacecraft explored two asteroids, mathilde and eros. a big difference between them is that:________.

Answers

A big difference between Mathilde and Eros is that Mathilde represents a group of separate rocks whereas Eros is a solid rock.

What is an asteroid?

An asteroid is a celestial body composed of different types of rocky materials (generally clay but also silicate) and also metals (especially Fe).

An asteroid may have different sizes and some of them can be huge as dwarf planets that travel across the universe.

In conclusion, a big difference between Mathilde and Eros is that Mathilde represents a group of rocks whereas Eros is a solid rock.

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Safety belts and occupant protection systems are installed to reduce the harmful effects of the force of _____ during a collision.

Answers

To lessen the negative impacts of the force generated during a collision, safety belts and occupant protective relays are installed.

Importance of safety belts:

The purpose of a seat belt usually referred to as a safety belt or a safety belt, is to protect the driver or an occupant of a vehicle from a potentially dangerous movement that may occur during an accident or an abrupt stop. By minimizing the power of secondary hits with interior striking hazards, maintaining proper occupant positioning for the airbag, and preventing people from being expelled from the vehicle after an accident or if the automobile rolls over, seat belts help minimize the chance of a fatal accident in traffic collisions. When the car is moving, the passenger and the driver move together with it at the same pace.The occupants continue moving at the same pace the vehicle was traveling at when it stopped if it unexpectedly stops or crashes. To stop the driver and other passengers from exiting the vehicle or contacting the interiors of the vehicle, seatbelts apply an equal and opposite force to them. Due to their crucial function in occupant safety, seatbelts are regarded as the main restraint devices.

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Rx: hydrochloric acid 2 percent solution 500 ml. your stock solution of hydrochloric acid is 10 percent. how much of the stock solution is required to prepare the order?

Answers

100 ml

100 ml of the stock solution is required to prepare the order.

We know that C1V1 = C2V2

where C1= 2%

V1 = 500ml

C2= 10%

V2 = ?

V2 = C1V1 / C2

     = 500 * 2% / 10%

     =100

V2 = 100 ml

What is meant by stock solution?A stock solution is a sizable amount of a typical reagent in a standardized concentration, like sodium hydroxide or hydrochloric acid. This phrase is frequently used in analytical chemistry while doing operations like titrations where it's crucial to employ precise solution concentrations.What distinguishes a standard solution from a stock solution?The main distinction between stock solution and standard solution is that the former is a highly concentrated solution while the later is a solution whose concentration is precisely known. Because standard solutions frequently arrive as stock solutions, the phrases "stock solution" and "standard solution" are connected.

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Will a beam of light that is, at first, in air and oriented perpendicular to the surface of a body of water be deflected as a result of the transition into water?.

Answers

It does not deflect, and the light's direction will not modify

When a light ray is an incident from a medium such as air onto a better dense medium such as glass or water, the refracted ray always lies closer to the perpendicular than does the incident ray.

What happens when a light ray departs from one medium to another?Refraction happens when light traverses from one medium to another, changing the speed at which the light travels. This causes light to bend upon incidence with the interface of new material.The frequency of the light ray stays the same when it crosses from one medium to another because it depends on the source of light. But the wavelength and speed vary because they depend on the medium via which the light passes.

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Assuming the diode is ideal but with a forward voltage drop of. 65 volts, what is the voltage vr1, if v1=6v, and r1=921ω?

Answers

The ideal diode's current is 0.064 mA at a forward biased voltage drop of 65 V.

An ideal diode is a particular kind of electronic component that has two terminals, and only permits current to flow in one direction, with less zero resistance in one direction and infinite resistance in another.

The most often used type of diode is a semiconductor diode.

It is a crystalline semiconductor part with a PN junction that is connected to two electrical terminals.

We have provided values here.

[tex]V_{2}[/tex]=65 volts

[tex]v_{1} =6v[/tex]

[tex]r_{1} =921w[/tex]

[tex]I=V_{2 - V_{1} /I[/tex]=  65-6/921=0.064

The ideal diode's current is 0.064 mA at a forward biased voltage drop of 65 V.

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Picking up sound waves is the stage of listening that most people refer to as what?
A. hearing
B. perceiving
C. understanding
D. evaluating

Answers

A. Picking up sound waves is the stage of listening that most people refer to as hearing.

What is hearing?

Hearing, or auditory perception, is the ability to perceive sounds through an organ, such as an ear, by detecting vibrations as periodic changes in the pressure of a surrounding medium.

During learning process, when someone picks up the sound waves directed to him/her, it is known as the act of hearing,

Thus, picking up sound waves is the stage of listening that most people refer to as hearing.

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The schematic diagram below shows an induction cooktop being used to heat water in a steel pan.



Which of the following best explains how the water is heated?

A
The ceramic top plate heats up as the magnetic field transfers heat energy directly to the top plate. The pan and water are then heated by conduction.

B
The current from the coil is transferred by means of the magnetic field to the pan. The pan then induces a current in the water, which heats due to resistance.

C
The copper coil heats up as it resists the electric current. This heat is then transferred by convection through the ceramic cooktop and pan to the water.

D
The steel pan heats up as it resists the induced movement of electrons caused by the changing magnetic field. The water is heated by conduction.

Answers

The water is heated as the current from the coil is transferred by means of the magnetic field to the pan. The pan then induces a current in the water, which heats due to resistance. That is option B.

What is cooking by induction?

Induction cooking is referred to the transfer of heat energy from one source to another through a magnetic field that helps in the movement of electrons.

Heat cannot be transferred to the water without changes of the magnetic field.

Other examples of how heat is being transferred to other body surfaces include the following:

Convention,

Conduction,

Evaporation and

Radiation.

Therefore, the diagram above displays the heat transfer from the copper coil carrying current to the water in the steel pan is by induction.

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What happens to the reactance in a purely inductive load if we increase the driving angular frequency?

Answers

The reactance in a purely inductive load if we increase the driving angular frequency will also increase .

An inductor is defined as a passive component that is used in most electrical circuits to store energy in the form of magnetic energy when electric current flows through it. It is also known as the coil, choke, or reactor. It is a two-terminal electrical component that is characterized by its inductance.

Inductive reactance is the property of an inductive coil that resists the change in alternating current (AC) through it and is similar to the opposition to direct current (DC) in a resistance.

Inductive reactance = angular frequency * inductance

X (L) = ω L

The inductive reactance of an inductor is directly proportional to  angular frequency . Hence , if reactance in a purely inductor increases if there is an increase in angular frequency .

The slope shows that the “Inductive Reactance” of an inductor increases as the supply frequency across it increases. Then we can see that at DC an inductor has zero reactance (short-circuit), at high frequencies an inductor has infinite reactance (open-circuit).

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Give a qualitative description of the skydiver's motion after jumping out of the plane.​

Answers

Explanation:

They will have not much control over their speed or rotational energy. they will carry a lot of gravitation potential energy which will get converted to kinetic energy as they fall through the atmosphere. They will reach their terminal velocity, the fastest they can travel with earth's gravity before they pull their parachute, when they use a parachute to extend their surface area, increasing wind resistance. this allows them to land safely.

What is the half-life of an isotope if 125 g of a 500 g sample of the isotope remains after 3.0 years?

Answers

Answer:

125 / 500 = 1/4    of the sample left after 3.0 yrs

1/2 * 1/2 = 1/4        sample has decayed thru 2 half-lives

2 * HL = 3

1 Half-Life = 1.5 yrs

What is the energy density at the center of a circular loop of wire carrying a 23.0 a current if the radius of the loop is 28.0 cm?

Answers

The energy density at the center of a circular loop of wire carrying a 23.0 a current if the radius of the loop is 28.0 cm will be 1.06 * [tex]10^{-3}[/tex] J / [tex]m^{3}[/tex]

Energy density is defined as the amount of energy accumulated in a system per unit volume. In the case of electrical energy. Electrical energy density = permittivity* Electric field squared/2 mu0

When an electric current is passed through a current-carrying circular wire loop, the magnetic field lines are generated in a circular pattern around the arms of the coil while the magnetic field lines are straight at the center of the loop

The magnetic field strength at the center of a circular loop is given by

B=(muo*I)/2R  (at center of loop),

Energy density = [tex]B^{2}[/tex] / 2 (mu0)

                          = [tex]\frac{1}{2 (muo)}[/tex] * [tex](\frac{muo * I}{2R})^{2}[/tex] = [tex]\frac{muo * I^{2} }{8 * R^{2} }[/tex]

                          = [tex]\frac{4*3.14*10^{-7}*(23)^{2} }{8 * (0.28)^{2} }[/tex]

                          = 1.06 * [tex]10^{-3}[/tex] J / [tex]m^{3}[/tex]

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The density of silver is 10. 5 g/cm 3. a piece of silver with a mass of 61. 3 g would occupy a volume of __________ cm 3

Answers

Answer:5,84 cm³Explanation:

_______________

ρ=10,5 g/cm³

m=61,3 g

_______________

V - ?

_______________

[tex]\displaystyle \boldsymbol{V}=\frac{m}{\rho} =\frac{61,3 \; g}{10,5\; \frac{g}{cm^3} } \approx \boldsymbol{5,84 \; cm^3}[/tex]

Importance of knowledge of gravitational acceleration of planets in space exploration and continuity of life

Answers

Gravity has an effect on the ease of landing on moons and planets. And on leaving! Actually Earth is about as heavy a planet as one could want. It takes a lot of fuel to leave Earth and a huge amount of energy to ship anything from Earth. Hence the attraction of using the moon or Mars as a base for exploration. But if you have to ship everything to the moon and then transship to other destinations it’s a losing proposition. The only thing that would make it work would be the ability to find lots of water and oxygen on the moon.

A photon of blue light has a ____ frequency and a _____ wavelength than a photon of red light.

Answers

A photon of blue light has a higher frequency and a lower wavelength than a photon of red light.

The wavelength of light is the distance between corresponding points in two adjacent light cycles, and the frequency of light is the number of cycles of light that pass a given point in one second.

Wavelength is typically represented by λ, the lowercase Greek letter lambda, while frequency is represented by ν, the lowercase Greek letter nu

Red light has a wavelength of ~700 nm, and a frequency of ~4.3*[tex]10^{14}[/tex] Hz. Visible light makes up just a small part of the full electromagnetic spectrum.

Wavelength of blue light: 450nm and  frequency of blue light 6.66 * [tex]10^{14}[/tex] Hz

Blue light has higher frequency, shorter wavelength and more energy.

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You measure an angle of 21. 1 when the light passes through a grating with 610 lines per mm. what is the wavelength of the light?

Answers

The wavelength of the light is 590nm

wavelength of the light=λ

Given,

The equation for a diffraction grating to use here is dsinθ = mλ

d=1/610 lines per mm=1.639*[tex]10^{-6}[/tex], m=1, θ=21.[tex]1^{0}[/tex]

λ=1.639*[tex]10^{-6}[/tex] * sin21.[tex]1^{0}[/tex]/1 =590nm

Wavelength

The wavelength, which in physics refers to the length over which a periodic wave repeats, is its spatial period. It is the distance between two successive corresponding wave points of the same phase, such as two neighbouring crests, troughs, or zero crossings, and it is a feature of both travelling waves and standing waves, as well as other spatial wave patterns. The spatial frequency is defined as the wavelength's inverse. The Greek letter lambda, or "wavelength," is frequently used to represent it. Additionally, sinusoidal wave envelopes, modulated waves, and waves created by the interference of several sinusoids are also commonly referred to as having a wavelength.

You measure an angle of 21. 1 when the light passes through a grating with 610 lines per mm. what is the wavelength of the light?

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If your heart is beating at 76. 0 beats per minute, what is the frequency of your heart's oscillations in hertz? 30. You want to simulate an experiment to draw cards out of a deck. Youplan to draw 35 cards (with replacement), and list which card you drew. Howmany times would you expect to draw a face card?681210 The wall, shown above in Figure 105.1401, has an overall length that is 37 and 8 1/4" . Three receptacle outlets are to be installed in this wall. L2 is twice as long as L1 . L1 should be _____' _____''. Choose the most appropriate preposition to complete the sentence:He is a traitor ____ the country.A) forB) toC) ofD) in Symbols that indicate the volume at which music is performed are called? HELPPP There are 30 pencils in a box (15 pairs). 2 pair(s) are yellow,3 pairs are brown, and the rest are tan. What is the probability ofpulling out a brown pencil on the first draw?Write your answer as a reduced fraction. Peets coffee will spend $500,000 marketing its newest latte drink. it expects to sell 1 million of these lattes over the next year. these 1 million lattes are a _____________ for peets coffee. In 2021, the Internal Revenue Service (IRS) decreased the deductible mileage cost to 56 cents from 57.5 cents. Find the percent decrease. (Round to the nearest hundredth of a percent) If the graph of y = |x| is translated so that the point (1, 1) is moved to (4, 1), what is the equation of the new graph?a.) y = | x - 3|b.) y = | x + 3|c.) y = | x| - 3d.) y = | x| + 3 The augustinian friar __________ started the protestant reformation in 1517 by posting his 95 theses on door of a church in wittenberg. One of the employees of a department store informed the chief of security that he suspected a customer of shoplifting. The employee pointed out the suspected shoplifter, but the security chief thought that the employee was pointing at a different woman. He waited until the woman had left the store and then followed her outside. He went up to the woman, pointed a gun at her, and told her she needed to return with him to the department store's security office. The woman did so, even though she insisted that she had not done anything wrong. The woman was kept waiting in the office for a few minutes until the employee informed the security chief that he had arrested the wrong woman. If the woman sues the department store on the theory of false imprisonment, she will:_______.(A) Prevail, unless the security chief's belief that she was the shoplifte judged to be reasonable.(B) Prevail, because she was intentionally detained.(C) Not prevail, because the period for which the woman was detained was the minimal period necessary to establish her identity.(D) Not prevail, because the woman suffered no harm. Consumers benefit from productive efficiency by paying the ______ product price possible under the prevailing technology and cost conditions, causing firms to earn only ______ profit. if tan theta = 1/5 then verify the identity sintheta + costheta = 1 'be' meaning?I don't mean to ask 'to be'! Don't answer if you can't answer! 8. If one of the 1124 people is randomly selected, find the probability that the person is a man or heavy smoker. (a) 145 /281 (b) 617 /1124 (c) 1031 /1124 (d) 37 /1124 please help!!! i just need this one Help! which of the following functions are graphed below What is Alexandria? Suppose an industry has two firms each with 50% market share. The Herfindahl index for this industry is ______. What bacterial infection requires confirmation through serological testing since it is difficult to culture the organism (causative agent)?