Home
Class 11
PHYSICS
Assertion: If bob of a simple pendulum i...

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 correct but Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

C

If Assertion is correct but Reason is incorrect.

D

If assertion is incorrect and reason is correct.

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Assertion and Reason both are true but Reason is not correct explanation of Assertion.
When the bob is placed in an electric field, the time period of simple pendulum will remain same as the bob is not charged. If simple pendulum having charged bob is placed in a horizontal electric field, then the period will be decreased because there will be an increase in restoring force.
Promotional Banner

Similar Questions

Explore conceptually related problems

If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will

An electric dipole is kept in the electric field produced by a point charge

Assertion : if a metal bob of a simple pendulm is replaced by wooden bob , its time period will not change . Reasion : The amplitude of an oscillation pendulum decreases gradually with time .

The metal bob of a simple pendulum is positively charged and has certain time period in air. If bob oscillates above a negatively charged metal plate. Its time period now

The time period of a simple pendulum is 5 seconds. If mass of the bob is increased to 4 times the original, the new time period of it is ____

If a bar magnet of magnetic moment M is kept in a uniform magnetic field B, its time period of oscillation is T. The another magnet of same length and breath is kept in a same magnetic field. If magnetic moment of new magnet is M//4 , then its oscillation time period is

The mass of a bob, suspended in a simple pendulum, is halved from the initial mass, its time period will :

Assertion: The bob of a simple pendulum is a full of water if a fine hole is made at the bottom of the of the ball , then the time period will no more remain constant Reason : The time period of simple pendulum does not depend open mass

Assertion : time period of a simple pendulum does not depend on the mass of the bob Reason : the restoring force is independent of the mass of the bob