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What will be the radio of de - broglie w...

What will be the radio of de - broglie wave lenth of `e^(-)` accelerated with 400 volt and 100 volt :-

A

`1:2`

B

`2:1`

C

`3:10`

D

`10:3`

Text Solution

Verified by Experts

The correct Answer is:
A
`lamda_(1)/lamda_(2)=sqrt(V_(2)/(V_(1)))=sqrt(100)/(400)=(1)/(2)`
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