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A proton and an alpha-particle start fro...

A proton and an `alpha`-particle start from rest in a uniform electric field, then the ratio of times of flight to travel same distance in the field is

A

`sqrt(5) : sqrt(2)`

B

`sqrt(3) : 1`

C

`2 : 1`

D

`1 : sqrt(2)`

Text Solution

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The correct Answer is:
D
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