Electrostatics 1 Question 9
9. An electron of mass , initially at rest, moves through a certain distance in a uniform electric field in time . A proton of mass , also, initially at rest, takes time to move through an equal distance in this uniform electric field. Neglecting the effect of gravity, the ratio is nearly equal to
(1997, 1M)
(a) 1
(b)
(c)
(d) 1836
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Answer:
Correct Answer: 9. (c)
Solution:
- Electrostatic force,
(for both the particles)
But acceleration of electron,
acceleration of proton,