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If the minimum wavelength obtained in an...

If the minimum wavelength obtained in an `X` - ray tube is `2.5 xx 10^(-10) m` , the operating potential of the tube will be

A

` 2 kV`

B

` 3 kV`

C

`4 kV`

D

`5 kV`

Text Solution

Verified by Experts

The correct Answer is:
D
`lambda_(min) = (12375)/(V) Å rArr V = (12375)/(2.5) = 4950 V ~= 5 kV`.
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