Question

Assertion: If bob of a simple pendulum is kept in a horizontal electric field, its period of oscillation will remain same.
Reason: If bob is charged and kept in horizontal electric field, then the time period will be decreased.
A. if both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.
C. if Assertion is true, but the Reason is false.
D. if both Assertion and Reason are false

Answer 1

Correct Answer - b
When the bob is placed in an electric field, the bob time period of simple pendulum having charged bob is placed in a horizontal electric field then the period will be decreased because there will be a increase the restoring force