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X-rays are produced by accelerating elec...

`X`-rays are produced by accelerating electrons by voltage `V` and let they strike a metal of atomic number `Z` . The highest frequency of `X - rays` produced is proportional to

A

V

B

Z

C

`(Z-1)`

D

`(Z-1)^2`

Text Solution

Verified by Experts

The correct Answer is:
D
Mosley’s law 
`f prop (Z-b)^2`
For `k_(alpha) ` line , b =1
`f_("max") prop (Z-1)^2`
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