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AIIMS2009Physics-Atomic Physics

AIIMS 2009 Physics X-ray Spectra MCQ Question

Type: MCQ-conceptual-Hard-Class 12

The wavelengths of Kα\alpha X⁻rays for lead isotopes 208Pb,206Pb^{208}Pb, ^{206}Pb and 204Pb^{204}Pb are λ2,λ4\lambda_2, \lambda_4 and λ3\lambda_3 respectively.

A

λ2=λ3\lambda_2 = \sqrt{\lambda_3}

B

λ2=λ¹+λ3\lambda_2 = \lambda_¹⁺ \lambda_3

C

λ2=λ1λ3\lambda_2 = \lambda_1\lambda_3

D

λ2=λ1λ3\lambda_2 = \frac{\lambda_1}{\lambda_3}

Correct Answer

Option A

Detailed Explanation

Wavelengths of the Kα lines for given isotopes of lead (Pb).

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