NEET Physics Wave Optics Questions Solved

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

(1) 6.4×107kgm/s2

(2) 4.8×108kgm/s2

(3) 3.2×109kgm/s2

(4) 1.6×1010kgm/s2

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