Oscillations Test

Result

Oscillations Test - 44

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Weekly Quiz Competition

Question 1
4 / -1

Three masses 700 g, 500 g and 400 g are suspended at the end of a spring a shown and are in equilibrium. When the 700 g mass is removed, the system oscillates with a period of 3 seconds, when the 500 g mass is also removed, it will oscillate with a period of

A
1 s

B
2 s

C
3 s

D

Solution
Question 2
4 / -1

A particle of mass m is attached to three identical springs A, B and C each of force constant k as shown in figure. If the particle of mass m is pushed slightly against the spring A and released then the time period of oscillations is

A

B

C

D

Solution
Question 3
4 / -1

A hollow sphere is filled with water through a small hole in it. It is then hung by a long thread and made to oscillate. As the water slowly flows out of the hole at the bottom, the period of oscillation will

A
Continuously decrease

B
Continuously increase

C
First decrease and then increase to original value

D
First increase and then decrease to original value

Solution
Question 4
4 / -1

A

B

C

D

Solution
Question 5
4 / -1

A particle is executing S.H.M. Then the graph of acceleration as a function of displacement is

A
A straight line

B
A circle

C
An ellipse

D
A hyperbola

Solution
Question 6
4 / -1

The displacement time graph of a particle executing S.H.M. is as shown in the figure
The corresponding force-time graph of the particle is

A

B

C

D

Solution
Question 7
4 / -1

The graph shown the variation of displacement of a particle executing S.H.M. with time. We infer from this graph that

A
The force is zero at time 3T/4

B
The velocity is maximum at time T/2

C
The acceleration is maximum at time T

D
The P.E. is equal to total energy at time T/2

Solution
Question 8
4 / -1

For a particle executing S.H.M. the displacement x is given by x = A cos ωt. Identify the graph which represents the variation of potential energy (P.E.) as a function of time t and displacement x

A
I, III

B
II, IV

C
II, III

D
I, IV

Solution
Question 9
4 / -1

The velocity-time diagram of a harmonic oscillator is shown in the adjoining figure. The frequency of oscillation is

A
25 Hz

B
50 Hz

C
12.25 Hz

D
33.3 Hz

Solution
Question 10
4 / -1

A body of mass 0.01 kg executives simple harmonic motion (S.H.M.) about x = 0 under the influence of a force shown below . The period of the S.H.M.is

A
1.05 s

B
0.52 s

C
0.25 s

D
0.30 s

Solution