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What possibly can be the ratio of the de...

What possibly can be the ratio of the de Broglie wavelength for two electrons each having zero initial energy and accelerated through 50 volts and 200 volts?

A

`3:10`

B

`10:3`

C

`1:2`

D

`2:1`

Text Solution

Verified by Experts

The correct Answer is:
D
`lambda=(h)/(sqrt(2mqV))" " lambdaprop(1)/sqrt(V)`
`(lambda_(1))/(lambda_(2))=sqrt((V_(2))/(V_(1)))=sqrt((200)/(500))=(2)/(1)`
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