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A 100 W point source emits monochromatic...

A 100 W point source emits monochromatic light of wavelength `6000 A`
Q. Calculate the photon flux (in SI unit) at a distance of 5m from the source. Given `h=6.6xx10^(34)`J s and `c=3xx10^(8)ms^(-1)`

A

`10^(15)`

B

`10^(18)`

C

`10^(20)`

D

`10^(22)`

Text Solution

Verified by Experts

The correct Answer is:
B
photonflux=`N/(4pir^(2))`
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