Monochromatic light of frequency 6 \times 10^{14} {\Hz} is produced by a laser. The power emitted is 2 \times 10^{-3} {\W}. How many photons per second on an average, are emitted by the source ? (. Given {\h}=6.63 \times 10^{-34} {\Js}) [1-Feb-2024 Shift 2]

JEE Main 1-Feb-2024 Shift 2 Solved Paper

Section: Physics

Question : 40 of 90

Marks: +1, -0

Monochromatic light of frequency 6×1014‌Hz is produced by a laser. The power emitted is 2×10−3W. How many photons per second on an average, are emitted by the source ?
(. Given h=6.63×10−34‌Js)

[1-Feb-2024 Shift 2]

9×1018
6×1015
5×1015
7×1016

Validate

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