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Monochromatic light of frequency 6xx10^(...

Monochromatic light of frequency `6xx10^(14)Hz` is produced by a laser. The power emitted is `2xx10^(-3)` W.
The number of photons emitted per second is
`("Given h"=6.63xx10^(-34)Js)`

A

`6times10^15`

B

`7times10^16`

C

`9times10^18`

D

`5times10^15`

Text Solution

Verified by Experts

The correct Answer is:
C
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