In the uniform electric field of , an electron is accelerated from rest. The velocity of the electron when it has travelled a distance of
is nearly ... m s
of electron
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Force on electron in uniform electric field is
The acceleration of the electron is
where m is the mass of the electron.
Starting from rest, the velocity of the electron. when it has travelled distance is
Here,
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