MCQ
A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum $p$ and energy $E$, then
- A$p = 0, E = 0$
- ✓$p \neq 0, E \neq 0$
- C$p \neq 0, E = 0$
- D$p = 0, E \neq 0$
✓
Answer
Correct option: B.
$p \neq 0, E \neq 0$
b
(b) $EM$ waves carry momentum and hence can exert pressure on surfaces. They also transfer energy to the surface so $p \ne 0$ and $E \ne 0$.
(b) $EM$ waves carry momentum and hence can exert pressure on surfaces. They also transfer energy to the surface so $p \ne 0$ and $E \ne 0$.
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