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Grade 12th passModern Physics

The rest mass of an electron is m0. when it is moving with a velocity, v=0.6c,then it's mass is_______.

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Profile image of Itishree Sahoo
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer7 Years ago
Dear student
 
m’ = mo / sqrt ( 1 – v2 /c2) 
 
m’ = mo / 0.8 = 5mo /4
 
hence option C is correct.
 
Regards
Arun (askIITians forum expert)

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