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Any radiation in the ultra violet region...

Any radiation in the ultra violet region of Hydrogen spectrum is able to eject photo-electrons from a metal. Then the maximum value of threshold wave length is `lambda= (1)/(R) = 911 Å` then the frequency of the metal is, nearly

A

`3.3 xx 10^(15)` HZ

B

`2.5 xx 10^(15)` HZ

C

`4.6 xx 10^(14)` Hz

D

`8.2 xx 10^(14)` HZ

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ATOMS-EXERCISE -II
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