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The number of photons of wavelength 13.2...

The number of photons of wavelength `13.2A^(@)` in 6J of energy is `(h=6.6xx10^(-34)J.s)`

A

`2xx10^(12)`

B

`4xx10^(16)`

C

`6xx10^(20)`

D

`4xx10^(24)`

Text Solution

Verified by Experts

The correct Answer is:
B
As `n=(E lambda)/(hc)`
`:.n=(6xx13.2xx10^(-10))/(6.6xx10^(-34)xx3xx10^(8))`
or `n=4xx10^(16)`
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