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An electron accelerated under a p.d. Of ...

An electron accelerated under a `p.d`. Of `V` volt has a certain wavelength `lambda`. Mass of the proton is `2000` times the mass of an electron. If the proton has to have the same wavelength `lambda`, then it will have to be accelerated under `p.d`. of (volts)

A

`100`

B

`2000`

C

`V//2000`

D

`sqrt2000`

Text Solution

Verified by Experts

The correct Answer is:
C
`V_(1)xxq_(1)xxm_(1)=V_(2)xxq_(2)xxm_(2)`
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