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A sinusoidal electromagnetic wave propagates in a vacuum in the positive x-direction. The B⃗  field oscillates in...

A sinusoidal electromagnetic wave propagates in a vacuum in the positive x-direction. The B⃗  field oscillates in the z-direction. The wavelength of the wave is 30 nm and the amplitude of the B⃗  field oscillations is 1.0×10−2 T.

Part A

Find the frequency with which the electric energy in the wave oscillates.

Express your answer with the appropriate units.
f

f

=

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Part B

Find the frequency at which magnetic field energy oscillates.

Express your answer with the appropriate units.
f

f

=

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Part C

Find the maximum energy density.

Express your answer with the appropriate units.
umax

umax

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Part D

Find the minimal energy density.

Express your answer with the appropriate units.
umin

umin

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Part E

Find the average energy density.

Express your answer with the appropriate units.
u¯

u¯

=

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Part F

Find the intensity of the wave.

Express your answer with the appropriate units.
I

I

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Solutions

Expert Solution


genius_generous answered 2 years ago
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