Question

11. An electron falls from rest through a vertical distance
h in a uniform and vertically upward directed electric
field E. The direction of electric field is now reversed,
keeping its magnitude the same. A proton is allowed
to fall from rest in it through the same vertical distance
The time of fall of the electron, in comparison to
the time of falls of the proton is :
(a) smaller
(b) equal
(c) 10 times greater (d) 5 times greater
(NEET 2018)​

Answer 1

Answer:

b)

Explanation:

As the electric field produce is both positive and negative.So they fall equally.

Answer 2

Answer:

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