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An X-ray tube is operated at 50 kV. The ...

An X-ray tube is operated at 50 kV. The minimum wavelength produced is

A

0.5 Å

B

0.75 Å

C

0.25 Å

D

1.0 Å

Text Solution

Verified by Experts

The correct Answer is:
C
`lamda=(hc)/(eV)=(6.6xx10^(-34)xx3xx10^(8))/(1.6xx10^(-19)xx50xx10^(3))`
`lamda=(19.8xx10^(-26))/(80xx10^(-16))`
`=0.25`Å
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