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Grade: 12th pass
        
The rest mass of an electron is m0. when it is moving with a velocity, v=0.6c,then it's mass is_______.
5 months ago

Answers : (1)

Arun
22784 Points
							
Dear student
 
m’ = mo / sqrt ( 1 – v2 /c2) 
 
m’ = mo / 0.8 = 5mo /4
 
hence option C is correct.
 
Regards
Arun (askIITians forum expert)
5 months ago
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