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The wavelengths of Kalpha X-rays from l...

The wavelengths of `K_alpha` X-rays from lead isotopes `Pb^(204) , Pb^(206) and Pb^(208)` are `lambda_1, lambda_2 and lambda_3` respectively. Choose the correct alternative.

A

`lambda_1ltlambda_2ltlambda_3`

B

`lambda_1gtlambda_2gtlambda_3`

C

`lambda_1=lambda_2=lambda_3`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda_K_(alpha)` will depend on atomic number Z and values Z
is same of all three isotopes.
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