The number of photons per second on average emitted by the source of monochromatic light of wavelength 600 nm , when it delivers the power of 
will be ( 
) [NEET 2021]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given, the monochromatic light of the wavelength,
The power of the source,
We know that, 
Substituting the values in the above equation, we get
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