Oscillations Test

Result

Oscillations Test - 15

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Weekly Quiz Competition

Question 1
4 / -1

The maximum velocity and maximum acceleration of a particle executing S.H.M. are 1 m/s and 3.14 m/s² respectively. The frequency of oscillation for this particle is ........

A
0.5 s^-1

B
3.14 s^-1

C
0.25 s^-1

D
2 s^-1

Solution
Question 2
4 / -1

As shown in figure (a) and (b), a body of mass m is attached at the ends of the spring system. All springs have the same spring constant k. Now when both systems oscillates along vertical direction, the ratio of their periodic time is ........

A
1/4

B
1/2

C
2

D
4

Solution
Question 3
4 / -1

A simple pendulum is executing S.H.M. around point O between the end points B and C with a periodic time of 6 s. If the distance between B and C is 20 cm then in what time will the bob move from C to D ? Point D is at the mid-point of C and O.

A
1s

B
2s

C
3s

D
4s

Solution
Question 4
4 / -1

Statement – 1: The periodic time of a stiff spring is less than that of a soft spring.
Statement – 2: The periodic time of a spring depends on its force constant value and for a stiff spring, it is more.

A
Statement – 1 is true, statement – 2 is true; statement – 2 is the correct explanation of statement – 1

B
Statement – 1 is true, statement – 2 is true but statement – 2 is not the correct explanation of statement – 1

C
Statement – 1 is true, statement – 2 is false

D
Statement – 1 is false, statement – 2 is true
Question 5
4 / -1

Consider the mechanical vibrating systems shown in figure A, B, C and D. The vibrations are simple harmonic in

A
A and C

B
A, B and C

C
B and D

D
A, B, C and D
Question 6
4 / -1

The displacement-time graph of a particle executing SHM is shown below.

A
I and II

B
I, II and III

C
I and IV

D
All of these

Solution
Question 7
4 / -1

The period of oscillation of a simple pendulum of length l suspended from the roof of a vehicle, which moves without friction down an inclined plane of inclination a is given by

A

B

C

D

Solution
Question 8
4 / -1

A
1 : 2

B
2 : 1

C
1 : 3

D
3 : 1

Solution
Question 9
4 / -1

A simple pendulum has a length 1 and the mass of the bob is m . The bob is given a charge q coulomb. The pendulum is suspended between the vertical plates of a charged parallel plate capacitor. If E is the electric field strength between the plates, the time period of the pendulum is given by

A

B

C

D

Solution
Question 10
4 / -1

In the Fig. S₁ and S₂ are identical springs. The oscillation frequency of the mass m is f. If one spring is removed, the frequency will become

A

B

C

D

Solution