One increasing the operating voltage in ...

One increasing the operating voltage in a x-ray tube by `1.5` times, the shortest wavelength decreases by `26 "pm"`. Find the original value of operating voltage.

`16 KV`

`20 KV`

`22 KV`

`26 KV`

Text Solution

Verified by Experts

Use `eV=(hc)/(lambda)` and `(hc)/(lambda-Deltalambda)=1.5eV`

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