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Light of wavelength lambda is incident o...

Light of wavelength `lambda` is incident on metal surface. Work function of metal is very small compare to kinetic energy of photon. If light of wave length `lambda'` is incident on metal surface then linear momentum of `'e'` becomes `1.5` of initial, find out `lambda'`.

A

`((9lambda)/(4))`

B

`((3lambda)/(4))`

C

`((3lamda)/(2))`

D

`((4lambda)/(9))`

Text Solution

Verified by Experts

The correct Answer is:
D
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