A plane electromagnetic wave of wave intensity 6 W/m2 strikes 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

6 .4 × 10 − 7 kg − m / s 2

6 .4 × 10 − 7 kg − m / s 2

1.6 × 10 − 10 kg − m / s 2

6 .4 × 10 − 7 kg − m / s 2

Book Online Demo

Check Your IQ

Try Test

Courses

Offline Centres

A plane electromagnetic wave of wave intensity 6 W/m² strikes 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

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

$3.2 \times 10^{- 9} kg - m / s^{2}$

$1.6 \times 10^{- 10} kg - m / s^{2}$

$4.8 \times 10^{- 8} kg - m / s^{2}$

$6 .4 \times 10^{- 7} kg - m / s^{2}$

answer is D.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Momentum transferred in one second

$P = \frac{2 U}{c} = \frac{2 S_{av} A}{c} = \frac{2 \times 6 \times 40 \times 10^{- 4}}{3 \times 10^{8}}$

$= 1.6 \times 10^{- 10} kg - m / s^{2}$

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test