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When a centimeter thick surface is illum...

When a centimeter thick surface is illuminated with light of wavelength `lamda`, the stopping potential is V. When the same surface is illuminated by light of wavelength `2lamda`, the stopping potential is `(V)/(3)`. Threshold wavelength for the metallic surface is

A

`(4 lambda )/(3)`

B

` 4 lambda `

C

` 6 lambda `

D

`(8 lambda )/(3)`

Text Solution

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The correct Answer is:
B
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