engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
The number of photons falling per second on a completely darkened plate to produce a force of 6.62 × 10-5 N is ‘n’. If the wavelength of the light falling is 5 × 10-7 m, then n = ______ × 1022.
(h = 6.62 × 10-34 J-s)1
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5
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0.2
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3.3