1.

The `K_(alpha)andK_(beta)` lines of charateristic X-ray spectrum of molybdenum are `0.76 overset(@)A and 0.64overset(@)A`, respectively. The wavelength of `L_(alpha)` line isA. `1.4overset(@)A`B. `2.4overset(@)A`C. `4.1overset(@)A`D. `3.6overset(@)A`

Answer» Correct Answer - C
`E_(2)E_(1)=(12375)/(0.76)eV`
`E_(3)-E_(1)=(12375)/(0.76) eV`
`:. " " E_(3)-E_(2)=(12375)/(0.64)-(12375)/(0.76)`
or `" " lambda_(L_(alpha))=(12375)/(E_(3)-E_(2))=4.1Å`


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