The out-phase property is a characteristic of electromagnetic waves propagating in a media with o = 0 Select one: O True O False
Q: A minivan moving at 150 m/s passes an unmarked state police car moving at 80 m/s. The…
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Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. At a…
A: At distance r1 = 5 m The electric field is E1 = 20 V/m Let distance r2 = 40 m
Q: A sinusoidal electromagnetic wave from a radio station passes perpendicularly through an open window…
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Q: An electromagnetic wave has a peak electric field strength of 205 V/m. (a) What are the maximum and…
A: Emax= 205 V/m =E0 It is the peak value of electric field.
Q: A 0.360-m-long metal bar is pulled to the left by an applied force F. The bar rides on parallel…
A: Given : length l = 0.360m magnetic field =0.650T…
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Q: (i) The magnetic field of a TEM plane wave in air can be written H = Ho exp j(2nft-ßx) â. Am¹ Use…
A: For simplicity , a^x = i^ , a^y = j^, a^z= k^ and i = −1Given:The EM wave in air is given asH→ =…
Q: Lasers can be constructed that produce an extremely high intensity electromagnetic wave for a brief…
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Q: The Sun delivers an average power of 1.499 W/m2 to the top of Neptune's atmosphere. Find the…
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Q: A perfectly reflecting surface of area 38.0 cm? experiences a momentum transfer per second of…
A: Given that: Area A=38.0 cm2 Momentum transfer per second i.e. force F=1.90×10-10 N
Q: What are the wavelengths of electromagnetic wave in free space that have the following frequencies?…
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Q: A diathermy machine, used in physiotherapy, generates electromagnetic radiation that gives the…
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Q: An electromagnetic wave with a frequency 7.50x1014 Hz propagates with a speed of 2.00x108 m/s in a…
A: Given data: Frequency (f) = 7.50 × 1014 Hz Required : The wavelength (λ) of electromagnetic wave in…
Q: (a) The distance to a star is approximately 5.50 x 10¹8 m. If this star were to burn out today, in…
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Q: oven can cook food unevenly, with hot spots in the food at antinodes and cool spots at nodes, so a…
A: Given as, Frequency, f= 2.20 GHz, Separation distance = 6.20 cm.
Q: A small spaceship cruises the solar system using an ideal, square-absorbing solar sail with side…
A: Given:The side length of solar sail L =1000mThe intensity of radiation near the earth I = 1300…
Q: Two treads balls with masses 2 kilogram and three kilograms are suspended on threads of 70…
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Q: A point source emits monochromatic electromagnetic waves into air uniformly in all directions. At a…
A: At 5 m electric field is 20 V/m
Q: An electromagnetic wave is normally incident on a flat surface. Assuming the power per unit area…
A: Power per unit area is given as s=12.0 W/m2 The surface is perfect absorber and the wave is normally…
Q: A uniform plane wave of 200MHz incident on a thick copper plate delivers an amplitude of 1.0mV/m on…
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Q: The maximum electric field strength of an electromagnetic wave is 3.13 kV/m The wave passes through…
A: The electric field strength is, E=3.31 kV/m=3.13×103 kV/m The area is, A=2.56 cm11.78 cm=30.16…
Q: A source of sinusoidal electromagnetic waves radiates uniformly in all directions. At a distance of…
A: Given: r1=10 m E1=3.30 N/C r2=20 cm = 0.20 m Since intensity decays by inverse square law and…
Q: ● E (x, t) Consider an electromagnetic wave with these fields: E(x, t) = Eo i cos(k z − wt) - B(x,…
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Q: The Sun delivers an average power of 1 370. W/m2 to the topof Earth’s atmosphere. Find the…
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Q: A `dispersion relation´relates frequency and wavelength of a harmonic wave. That is, the wavelength…
A: Given: Dispersion relation k=ωnc2πλ=ωncλ=2πcωn→(1)In the above relationλ is wavelength.n is the…
Q: A sinusoidal electromagnetic wave propagates in the +x direction through empty space. Its electric…
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Q: What is the maximum strength of the E-field in an electromagnetic wave that has a maximum B-field…
A: Given data: The maximum value of the magnetic field Bmax = 6.66×10-6 T Required: The maximum…
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- Optical tweezers use light from a laser to move single atoms and molecules around. Suppose the intensity of light from the tweezers is 1000 W/m², the same as the intensity of sunlight at the surface of the Earth. (a) What is the pressure on an atom if light from the tweezers is totally absorbed? Pa (b) If this pressure were exerted on a helium atom, what would be its acceleration? (The mass of a helium atom is 6.65 x 10-27 kg. Assume the cross-sectional area of the laser beam is 6.65 x 10-29 m².) m/s²An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is 5 = 3.06 x 10⁹ W/m². What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser? (a) Number (b) Number i i Units UnitsPulsed lasers used for science and medicine produce very brief bursts of electromagnetic energy. If the laser light wavelength is 1062 nm (Neodymium-YAG laser), how brief would the pulse need to be to fit only one wavelenth? 5.43 x 10-12 s 3.54 x 10-15 s 5.43 x 10-15 s O 3.54 x 10-12s
- We consider an electromagnetic wave with peak magnetic field strength Bo projected on an area A. How will the power be affected if Bo is tripled and the area is divided by 3? the power will be multiplied by a factor 9 O there is not enough information to determine how the power will be affected O the power will stay constant O the power will be divided by 3 O the power will be tripledFrom a local TV station transmitter, a sinusoidal, plane electromagnetic wave is normally incident on an open window that has an area of 0.510m2. The wave travels to the right in the positive x-direction at the speed of light c and the window is thus perpendicular to the x-axis. See the schematic. Suppose the three electric field components have wave functions: EX = 0 EY = Emsin(kx-ωt) EZ = 0 See the axes below. At the moment shown the electric field - indicated by the vertically upward arrow - points in the positive y direction. Assume the field magnitude Em = 0.01000 V/m. The Erms (root mean square) of the electric field would thus be Erms = 0.00707 V/m. (a) At the moment shown above, in what direction does the magnetic field point? Indicate this direction by drawing a symbol near the z-axis. (b) Compute the numerical value of amplitude Bm of the magnetic field component pointing in the direction you found.An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is S= 2.17 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser?
- From a local TV station transmitter, a sinusoidal, plane electromagnetic wave is normally incident on an open window that has an area of 0.510 m2. The wave travels to the right in the positive x-direction at the speed of light c and the window is thus perpendicular to the x-axis. See the schematic. Suppose the three electric field components have wave functions: EX = 0 EY = Emsin(kx-ωt) EZ = 0 See the axes below. At the moment shown the electric field - indicated by the vertically upward arrow - points in the positive y direction. Assume the field magnitude Em = 0.01000 V/m. The Erms (root mean square) of the electric field would thus be Erms = 0.00707 V/m. (a) At the moment shown above, in what direction does the magnetic field point? Indicate this direction by drawing a symbol near the z-axis. Compute the numerical value of amplitude Bm of the magnetic field component pointing in the direction you found. (b) Write the wave function for the magnetic field component you referenced in…A source of electromagnetic waves radiates with power P uniformly in all directions. At some distance d from the source, the magnetic field amplitude of the waves is B0. What will the amplitude of the magnetic field be a distance d/4 away from the source, in terms of B0, P, d, e0, µ0, and/or c? Justify your answer. (see image)