When the light of frequency 2 V(0) ...

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 emiyyed is ` V_(1) ` . When the frequency of the incident radiation is increased to `5V_(0) ` , the maximum velocity of electron emitted from the same plate is ` V_(2) ` . the ratio of ` V_(1) ` to ` v_(2) ` is

`4 :1`

`1 :4`

`1 :2`

`2 :1`

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