an electron of mass m and charge e is accelerated from rest through a potentional difference V in vaccum . its final velocity will be :-
a. eV/m b.eV/m c. under root 2eV/m d. under root eV/m
Answers
Answered by
5
Work done = e×V (e - charge on electron, V - potential difference)
Since this work is stored in the form of Kinetic energy ,
(0.5)mv² = e×V
Therefore v = [(2×e×V)÷m]^½
ie Option c
Since this work is stored in the form of Kinetic energy ,
(0.5)mv² = e×V
Therefore v = [(2×e×V)÷m]^½
ie Option c
poorvisharma2008:
thnks alot
Similar questions