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A photosensitive metallic surface has wo...

A photosensitive metallic surface has work function , `h v_(0)`. If photons of energy ` 2hv_(0)` fall on this surface , the electrons come out with a maximum velocity of `4 xx 10^(6) m//s`. When the photon energy is increased to `5hv_(0)` ,then the maximum velocity of photoelectrons will be

A

`2 xx 10^(7) m//s`

B

`2 xx 10^(7) m//s`

C

`8 xx 10^(5) m//s`

D

`8 xx 10^(6) m//s`

Text Solution

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The correct Answer is:
D
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RESONANCE-DAILY PRACTICE PROBLEM-DPP No.17
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