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When the light of frequency 2 v(0) (wher...

When the light of frequency `2 v_(0)` (where `v_(0)` is threshold frequency), is incident on a metal plate, the maximum velocity of electrons emitted is `v_(1)`. When the frequency of the incident radiation is increased to `5 v_(0)`, the maximum velocity of electrons emitted from the same plate is `v_(2)`. the ratio of `v_(1)` to `v_(2)` is

A

`1:2`

B

`1:4`

C

`4:1`

D

`2:1`

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The correct Answer is:
A
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