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The threshold frequency of a certain met...

The threshold frequency of a certain metal is `3.3xx10^(14)Hz`. If light of frequency `8.2xx10^(14)Hz` is incident on the metal, predict the cut off voltage for photoelectric emission. Given Planck's constant, `h=6.62xx10^(-34)Js`.

A

2 V

B

3 V

C

5 V

D

1 V

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The threshold freqeuncy of a certain metal is 3.3xx10^(14)Hz . If light of frequency 8.2xx10^(4)Hz is incident on the metal, predict the cut off voltage for photoelectric emission. Given Planck's constant, h=6.62xx10^(-34)Js .

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