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A plane electromagnetic wave is incident on a material surface. The wave delivers momentum p and energy E.

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A plane electromagnetic wave is incident on a material surface. The wave delivers momentum p and energy E.
A. `p=0, E=0`
B. `p!=0, E!=0`
C. `p!=0, E!=0`
D. `p=0, E!=0`
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Correct Answer - b
`EM` waves carry momentum and hence can exert pressure on surfaces. They also transfer energy to the surface so `p != 0` and `E!=0`.
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