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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

V volt

B

2000 V volt

C

`(V)/(2000)` volt

D

`sqrt(2000) V` volt

Text Solution

Verified by Experts

The correct Answer is:
3

`lambda = (h)/(sqrt(2mqDeltav))`
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