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

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Physics

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

Part A

Find the frequency with which the electric energy in the waveoscillates.

Express your answer with the appropriate units.

f

f

=

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Part B

Find the frequency at which magnetic field energyoscillates.

Express your answer with the appropriate units.

f

f

=

nothingnothing

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Part C

Find the maximum energy density.

Express your answer with the appropriate units.

umax

umax

=

nothingnothing

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Part D

Find the minimal energy density.

Express your answer with the appropriate units.

umin

umin

=

nothingnothing

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Part E

Find the average energy density.

Express your answer with the appropriate units.

u¯

u¯

=

nothingnothing

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Part F

Find the intensity of the wave.

Express your answer with the appropriate units.

I

I

=

nothing

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