Oscillations Test

Result

Oscillations Test - 50

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

An object of mass 0.2 kg executes simple harmonic along X-axis with frequency of 25/π Hz. At the position X = 0.04 m, the object has kinetic energy of 0.5 J and potential energy of 0.4 J. Amplitude of oscillation in meter is equal to

A
0.05

B
0.06

C
0.01

D
None of these

Solution
Question 2
4 / -1

Time period of a block suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block then, the new time period of oscillation will be

A
T

B
> T

C
< T

D
≥ T

Solution
Question 3
4 / -1

A man weighing 60 kg stands on the horizontal platform of a spring balance. The platform starts executing simple harmonic motion of amplitude 0.1 m and frequency 2/π Hz. Which of the following statements is correct

A
The spring balance reads the weight of man as 60 kg

B
The spring balance reading fluctuates between 60 kg and 70 kg

C
The spring balance reading fluctuates between 50 kg and 60 kg

D
The spring balance reading fluctuates between 50 kg and 70 kg

Solution
Question 4
4 / -1

A man having a wrist watch and a pendulum clock rises on a TV tower. The wrist watch and pendulum clock by chance fall from the top of the tower. Then

A
Both will keep correct time during the fall

B
Both will keep incorrect time during the fall

C
Wrist watch will keep correct time and clock will become fast

D
Clock will stop but wrist watch will function normally

Solution
Question 5
4 / -1

A force of 6.4 N stretches a vertical spring by 0.1 m. The mass that must be suspended from the spring so that it oscillates with a period of π/4 s. is

A

B
1 kg

C

D
10 kg

Solution
Question 6
4 / -1

Four massless springs whose force constants are 2k, 2k, k and 2k respectively are attached to a mass M M kept on a frictionless plane (as shown in figure). If the mass M is displaced in the horizontal direction, then the frequency of oscillation of the system is

A

B

C

D

Solution
Question 7
4 / -1

Values of the acceleration A of a particle moving in simple harmonic motion as a function of its displacement x are given in the table below
The period of the motion is

A

B

C

D

Solution
Question 8
4 / -1

Two pendulums have time periods T and 5T/4 . They start S.H.M. at the same time from the mean position. What will be the phase difference between them after the bigger pendulum has completed one oscillation

A
45°

B
90°

C
60°

D
30°

Solution
Question 9
4 / -1

The periodic time of a particle doing simple harmonic motion is 4 second. The time taken by it to go from its mean position to half the maximum displacement (amplitude) is

A
2 s

B
1 s

C

D

Solution
Question 10
4 / -1

Two simple pendulums of lengths 1.44 m and 1 m start swinging together. After how many vibrations will they again start swinging together

A
5 oscillations of smaller pendulum

B
6 oscillations of smaller pendulum

C
4 oscillations of bigger pendulum

D
6 oscillations of bigger pendulum

Solution