The wavelengths of `K_alpha`  X-rays from lead isotopes `Pb^(204) , Pb^(206)
Channel: Doubtnut
Date: 2020-07-12

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.