Oscillations Test

Result

Oscillations Test - 21

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Weekly Quiz Competition

Question 1
4 / -1

If a body having mass M is suspended from the free ends of two springs A and B, their periodic time are found to be T₁ and T₂ respectively. If both these springs are now connected in series and if the same mass is suspended from the free end, then the periodic time is found to be T. Therefore ..............

A

B

C

D

Solution
Question 2
4 / -1

The displacement of a S.H.O. is given by the equation x = A Cos ( ùt + π/8 ). At what time will it attain maximum velocity?

A

B

C

D

Solution
Question 3
4 / -1

For particles A and B executing S.H.M., the equation for displacement is given by y₁ = 0.1Sin(100t+p/3) and y₂ = 0.1Cospt respectively. The phase difference between velocity of particle A with respect to that of B is ............

A

B

C

D

Solution
Question 4
4 / -1

A
6/5

B
5/6

C
4/5

D
1

Solution
Question 5
4 / -1

A hollow sphere is filled with water. There is a hole at the bottom of this sphere. This sphere is suspended with a string from a rigid support and given an oscillation. During oscillation, the hole is opened up and the periodic time of this oscillating system is measured. The periodic time of the system.............

A
will remain constant

B
Will increase upto a certain time

C
Increases initially and then decreases to attain its initial periodic time

D
Initially decreases and then will attain the initial periodic time value.

Solution
Question 6
4 / -1

A body having mass 5g is executing S.H.M. with an amplitude of 0.3 m. If the periodic time of the system is π/10 s, then the maximum force acting on body is ..........

A
0.6 N

B
0.3 N

C
6 N

D
3 N

Solution
Question 7
4 / -1

As shown in figure, a body having mass m is attached with two springs having spring constants k₁ and k₂ . The frequency of oscillation is f. Now, if the springs constants of both the springs are increased 4 times, then the frequency of oscillation will be equal to .............

A
2f

B
f/2

C
f/4

D
4f

Solution
Question 8
4 / -1

The figure shows a graph of displacement versus time for a particle executing S.H.M. The acceleration of the S.H.O. at the end of time t = 4/3 second is ...........cm.s^–2

A

B

C

D

Solution
Question 9
4 / -1

For a particle executing S.H.M., when the potential energy of the oscillator becomes 1/8 the maximum potential energy, the displacement of the oscillator in terms of amplitude A will be ..........

A

B

C

D

Solution
Question 10
4 / -1

The ratio of force constants of two springs is 1: 5. The equal mass suspended at the free ends of both springs are performing S.H.M. If the maximum acceleration for both springs are equal, the ratio of amplitudes for both springs is .........

A

B

C

D

Solution