A plane electromagnetic wave, with wavelength 3.5 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 350 V/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency and (c) angular wave number of the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to which axis does the magnetic field oscillate? (f) What is the time-averaged rate of energy flow associated with this wave? The wave uniformly illuminates a surface of area 2.5 m2. If the surface totally absorbs the wave, what are (g) th rate at which momentum is transferred to the surface and (h) the radiation pressure?
A plane electromagnetic wave, with wavelength 3.5 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 350 V/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency and (c) angular wave number of the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to which axis does the magnetic field oscillate? (f) What is the time-averaged rate of energy flow associated with this wave? The wave uniformly illuminates a surface of area 2.5 m2. If the surface totally absorbs the wave, what are (g) th rate at which momentum is transferred to the surface and (h) the radiation pressure?
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please explain d, f, g, and h.
Transcribed Image Text:A plane electromagnetic wave, with wavelength 3.5 m, travels in vacuum in the positive direction of an x axis. The
electric field, of amplitude 350 V/m, oscillates parallel to the y axis. What are the (a) frequency, (b) angular frequency,
and (c) angular wave number of the wave? (d) What is the amplitude of the magnetic field component? (e) Parallel to
which axis does the magnetic field oscillate? (f) What is the time-averaged rate of energy flow associated with this
wave? The wave uniformly illuminates a surface of area 2.5 m2. If the surface totally absorbs the wave, what are (g) the
rate at which momentum is transferred to the surface and (h) the radiation pressure?
(a) Number
8.6E7
Units Hz
(b) Number
5.4E8
Units
rad/s
(c) Number
1.8
Units
rad/m or m^-1
(d) Number
T
Units
(e)
(f) Number
Units W/m^2 v
(g) Number
Units
N
(h) Number
Units
N/m^2 or Pa
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