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Objective Type Questions – SHM (Page 7)
Type: Assertion–Reason & Conceptual
Difficulty: JEE Advanced
Instructions:
Choose the correct option:
(A) Both A and R are true and R is correct explanation of A
(B) Both A and R are true but R is NOT correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
Choose the correct option:
(A) Both A and R are true and R is correct explanation of A
(B) Both A and R are true but R is NOT correct explanation of A
(C) A is true but R is false
(D) A is false but R is true
Q61.
Assertion (A): The acceleration of a particle executing SHM is maximum at the extreme positions.
Reason (R): Acceleration in SHM is proportional to displacement from the mean position.
Correct Option: A
Assertion (A): The acceleration of a particle executing SHM is maximum at the extreme positions.
Reason (R): Acceleration in SHM is proportional to displacement from the mean position.
Correct Option: A
Q62.
Assertion (A): The total energy of a particle in SHM remains constant.
Reason (R): The restoring force in SHM is conservative.
Correct Option: A
Assertion (A): The total energy of a particle in SHM remains constant.
Reason (R): The restoring force in SHM is conservative.
Correct Option: A
Q63.
Assertion (A): At mean position, kinetic energy of SHM particle is maximum.
Reason (R): Velocity of the particle is maximum at mean position.
Correct Option: A
Assertion (A): At mean position, kinetic energy of SHM particle is maximum.
Reason (R): Velocity of the particle is maximum at mean position.
Correct Option: A
Q64.
Assertion (A): Time period of SHM depends on amplitude.
Reason (R): Increasing amplitude increases restoring force.
Correct Option: D
Assertion (A): Time period of SHM depends on amplitude.
Reason (R): Increasing amplitude increases restoring force.
Correct Option: D
Q65.
Assertion (A): For a simple pendulum, SHM is possible only for small angular displacements.
Reason (R): sinθ ≈ θ is valid only for small angles.
Correct Option: A
Assertion (A): For a simple pendulum, SHM is possible only for small angular displacements.
Reason (R): sinθ ≈ θ is valid only for small angles.
Correct Option: A
Q66.
Assertion (A): The phase difference between displacement and velocity in SHM is π/2.
Reason (R): Velocity is the first derivative of displacement.
Correct Option: A
Assertion (A): The phase difference between displacement and velocity in SHM is π/2.
Reason (R): Velocity is the first derivative of displacement.
Correct Option: A
Q67.
Assertion (A): The graph of acceleration vs displacement in SHM is a straight line passing through origin.
Reason (R): Acceleration is directly proportional to negative of displacement.
Correct Option: A
Assertion (A): The graph of acceleration vs displacement in SHM is a straight line passing through origin.
Reason (R): Acceleration is directly proportional to negative of displacement.
Correct Option: A
Q68.
Assertion (A): At extreme position, kinetic energy of SHM particle is zero.
Reason (R): Velocity of the particle is zero at extreme position.
Correct Option: A
Assertion (A): At extreme position, kinetic energy of SHM particle is zero.
Reason (R): Velocity of the particle is zero at extreme position.
Correct Option: A
Q69.
Assertion (A): SHM is a periodic motion but every periodic motion is not SHM.
Reason (R): In SHM, restoring force must be proportional to displacement.
Correct Option: A
Assertion (A): SHM is a periodic motion but every periodic motion is not SHM.
Reason (R): In SHM, restoring force must be proportional to displacement.
Correct Option: A
Q70.
Assertion (A): For a spring–mass system, time period increases if mass is increased.
Reason (R): Time period T ∝ √m.
Correct Option: A
Assertion (A): For a spring–mass system, time period increases if mass is increased.
Reason (R): Time period T ∝ √m.
Correct Option: A
End of Objective Page 7
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