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An alpha particle and a proton are accel...

An `alpha` particle and a proton are accelerated from rest by a potential difference of 100V. After this, their de-Broglie wavelengths are `lambda_a`
and `lambda_p` respectively. The ratio `(lambda_p)/(lambda_a)`, to the nearest integer, is.

A

3

B

2

C

4

D

5

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The correct Answer is:
A
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