When a mass M is attached to a spring of force constant K,
When a mass M is attached to a spring of force constant K, then the spring stretches by l. If the mass oscillates with amplitude l, what will be maximum potential energy stored in the […]
Oscillations
Acceleration of a particle, executing SHM, at its mean position is
Acceleration of a particle, executing SHM, at its mean position is
Options
(a) Infinity (b) Varies (c) Maximum (d) Zero
Correct Answer:
Zero
Explanation:
Acceleration = -ωy². At mean position y = 0 Acceleration […]
The velocity of a particle performing simple harmonic motion, when it passes
The velocity of a particle performing simple harmonic motion, when it passes through its mean position is
Options
(a) Infinity (b) Zero (c) Minimum (d) Maximum
Correct Answer:
Maximum
Explanation:
ν = ω […]
A spring has time period T. It is cut into n equal parts. The time period of each part
A spring has time period T. It is cut into n equal parts. The time period of each part will be
Options
(a) T√n (b) T/√n (c) nT (d) T
Correct Answer:
T/√n
The time period of a simple pendulum in a lift descending with constant acceleration g is
The time period of a simple pendulum in a lift descending with constant acceleration g is
Options
(a) T=2π√l/g (b) T=2π√l/2g (c) zero (d) Infinite
Correct Answer:
Infinite
Explanation:
When the lift falls […]
A particle is executing a simple harmonic motion. Its maximum acceleration
A particle is executing a simple harmonic motion. Its maximum acceleration is α and maximum velocity is β. Then, its time period of vibration will be
Options
(a) β²/α (b) 2πβ/α (c) β²/α² […]
A particle is executing SHM along a straight line. Its velocities at distances
A particle is executing SHM along a straight line. Its velocities at distances x₁ and x₂ from the mean position are V₁ and V₂ respectively. Its time period is
Options
(a) 2π√x₂²-x₁²/V₁²-V₂² (b) […]
When two displacements represented by y₁=a sin(?t) are superimposed the motion is
When two displacements represented by y₁=a sin(?t) are superimposed the motion is
Options
(a) simple harmonic with amplitude a/b (b) simple harmonic with amplitude√a²+b² (c) simple harmonic with amplitude(a+b)/2 (d) not a simple […]
The oscillation of a body on a smooth horizontal surface is represented by the equation
The oscillation of a body on a smooth horizontal surface is represented by the equation, X=A cos(ωt) where, X=displacement at time t ω= frequency of oscillation Which one of the following graphs shows correctly the […]
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period is T. With what acceleration should the lift be accelerated upwards in order to reduce […]