- #1
Titan97
Gold Member
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- 18
Homework Statement
A plane electromagnetic wave is incident on a material surface. The wave delivers a momentum ##p## and energy ##E##. Then which of the following is/are correct?
1) ##p=0,~E=0##
2) ##p\neq 0,~E=0##
3) ##p=0,~E\neq 0##
4) ##p\neq 0,~E\neq 0##
Homework Equations
None
The Attempt at a Solution
Is the answer (4)? When an em wave hits a surface, the electrons in it will start moving because of the electric field component. So it gets a momentum and some energy.