What will be the radio of de - broglie wave lenth of `e^(-)` accelerated with 400 volt and 100 volt :-
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`
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Correct Answer - A
`lamda_(1)/lamda_(2)=sqrt(V_(2)/(V_(1)))=sqrt(100)/(400)=(1)/(2)`
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