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A quantum of light having energy E has w...

A quantum of light having energy E has wavelength equal to `7200 A^(@)`. The frequency of light which corresponds to energy equal to 3E, is

A

`1.25 xx 10^(14) s^(-1)`

B

`1.25 xx 10^(13) s^(-1)`

C

`1.25 xx 10^(13) s^(-1)`

D

`1.25 xx 10^(14) s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`v_1 = (c )/(lambda_1) , v_2 = ( c)/(lambda_2) " "(E_1)/(E_2) = (v_1)/(v_2)`
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