A simple pendulum has a length l and the mass of the bob is . The bob is given a charge q coulomb. The pendulum is suspended between the vertical plates of a charged parallel plate capacitor. If E is the electric field strength between the plates, the time period of the pendulum is given by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Time period of a simple pendulum,
Acceleration due to electric field,
Acceleration is acting horizontally.
Acceleration due to gravity is acting vertically.
Therefore effective acceleration,
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