Question

A proton when accelerated through a potential difference of  V volt has a wavelength associated with it. An - particle in order to have the same wavelength  must be accelerated through a p.d. of

A

V/8 volt

B

V/4 volt

C

V volt

D

2V volt

Easy

Solution

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Correct option is A)

For proton,
where V is p.d
For 

so, keeping same  for proton and 




          
       



So, the answer is option (A).

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