A source produces monochromatic light of frequency 5.0 × 1014 Hz and the power emitted is 3.31 mW. The number of photons emitted per second by the source, on an average is
(A) 1016
(C) 1010
(B) 1024
(D) 1020
Correct Answer : Option (A) 1016
A source produces monochromatic light of frequency 5.0 × 1014 Hz and the power emitted is 3.31 mW. The number of photons emitted per second by the source, on an average is
(A) 1016
(C) 1010
(B) 1024
(D) 1020
Correct Answer : Option (A) 1016
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