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The energies E1 and E2 of two radiations...

The energies `E_1` and `E_2` of two radiations are `25 eV` and `50 e V` respectively. The relation between their wavelengths, i.e., `lamda_1` and `lamda_2` will be.

A

`lambda_1=sqrt2lambda_2`

B

`lambda1=mlambda_2`

C

`lambda_1=4lambda_2`

D

`lambda_1=1/2lambda_2`

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