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When the mass of an electron becomes equ...

When the mass of an electron becomes equal to thrice its rest mass, its speed is

A

`(2sqrt2)/3c`

B

`2/3c`

C

`1/3c`

D

`1/4c`

Text Solution

Verified by Experts

The correct Answer is:
A
`m=m_(0)/sqrt(1-v^(2)/c^(2))`
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