Oscillations Test

Result

Oscillations Test - 28

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Weekly Quiz Competition

Question 1
4 / -1

The angular velocities of three bodies in simple harmonic motion are ω₁, ω₂, ω₃ with their respective amplitudes as A₁, A₂, A₃. If all the three bodies have same mass and velocity, then

A

B

C

D

Solution
Question 2
4 / -1

The x- t graph of a particle undergoing simple harmonic motion is shown below. The acceleration of the particle at t = 4/3 s is

A

B

C

D

Solution
Question 3
4 / -1

If x, ν and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then which of the following does not change with time

A

B

C

D

Solution
Question 4
4 / -1

The acceleration of a particle in S.H.M. is

A
Always zero

B
Always constant

C
Maximum at the extreme position

D
Maximum at the equilibrium position

Solution
Question 5
4 / -1

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 its period to T/2 (g is acceleration due to gravity)

A
4 g

B
5 g

C
2 g

D
3 g

Solution
Question 6
4 / -1

A particle moving along the x-axis executes simple harmonic motion, then the force acting on it is given by
Where A and K are positive constants

A
–A Kx

B
A cos (Kx)

C
A exp – (Kx)

D
A Kx

Solution
Question 7
4 / -1

A body is vibrating in simple harmonic motion with an amplitude of 0.06 m and frequency of 15 Hz. The velocity and acceleration of body is

A
5.65 m/s and 5.32 × 10² m/s²

B
6.82 m/s and 7.62 × 10² m/s²

C
8.91 m/s and 8.21 × 10² m/s²

D
9.82 m/s and 9.03 × 10² m/s²

Solution
Question 8
4 / -1

A particle executes harmonic motion with an angular velocity and maximum acceleration of 3.5 rad/s and 7.5 m/s² respectively. The amplitude of oscillation is

A
0.28 m

B
0.36 m

C
0.53 m

D
0.61 m

Solution
Question 9
4 / -1

A 0.10 kg block oscillates back and forth along a horizontal surface. Its displacement from the origin is given by x = (10 cm) cos [(10 rad/s)t + π /2rad]. What is the maximum acceleration experienced by the block

A

B

C

D

Solution
Question 10
4 / -1

In S.H.M. maximum acceleration is at

A
Amplitude

B
Equilibrium

C
Acceleration is constant

D
None of the above

Solution