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A spring mass system as shown in figure ...

A spring mass system as shown in figure is suspended in a constant electric field E. A charge q is given to the mass.

A

Time period of oscillation of the system is `2pi sqrt((m)/(k))`

B

Time period of oscillation of the system is `2pi sqrt((mg - qE)/(k))`

C

The elongation is the spring in equilibrium position will be `(mg - qE)/(k)`

D

The elongation is the spring in equilibrium position will be `(mg)/(k)`

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The correct Answer is:
A, C
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