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Number of photons having wavelength 632....

Number of photons having wavelength 632.8 nm, emitted by 5 mW laser source in 1 second is

A

`1.6xx10^(19)`

B

`1.6xx10^(16)`

C

`1.6xx10^(25)`

D

`1.6xx10^(13)`

Text Solution

Verified by Experts

The correct Answer is:
B
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