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A particle of mass 'm' and charge 'q' is...

A particle of mass `'m'` and charge `'q'` is suspended from the ceiling with the help of an insulating wire of length `'l'`. It is placed in an uniform electric field as shown in figure. Then the time period of oscillation is

A

`sqrt((l)/(sqrt(g^(2)+((qE)/(m))^(2))))`

B

`2pisqrt((l)/(sqrt(g^(2)+((qE)/(m))^(2))))`

C

`2pisqrt((l)/(sqrt(g^(2)+((qE)/(m))))`

D

`2pisqrt((l)/(sqrt(g^(2)-((qE)/(m))^(2))))`

Text Solution

Verified by Experts

The correct Answer is:
B
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