Published by:
CGP EDU Academic Team
Published on: August 23, 2026
The ratio of the power of a light source 
to that the light source 
is 2 . 
is emitting 
photons per second at 600 nm . If the wavelength of the source 
is 300 nm , then the number of photons per second emitted by 
is 
.
Text Solution
Verified by ExpertsThe correct answer is:
5
(5) Since power emitting by a source is given as
Substituting the given values
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