Question
A plane electromagnetic wave of wave intensity 6 W/m2strikes a small mirror area 40 cm2, held perpendicular to the approaching wave. The momentum transferred by the wave to the mirror each second will be
Answer: Option D
:
D
Momentum transferred in one second
p=2Uc=2SavAc=2×6×40×10−43×108
=1.6×10−10kg−m/s2.
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:
D
Momentum transferred in one second
p=2Uc=2SavAc=2×6×40×10−43×108
=1.6×10−10kg−m/s2.
Was this answer helpful ?
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