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If a potential difference of 20,000 volt...

If a potential difference of 20,000 volts is applied across X-ray tube , the cut -off wavelength will be

A

`6.21xx10^(-10)m`

B

`6.21xx10^(-11)m`

C

`6.21xx10^(-12)m`

D

`3.1xx10^(-11)m`

Text Solution

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The correct Answer is:
b
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