Statement: The amplitude of an oscillating pendulum decreases gradually with time.Reason: The frequency of the pendulum decreases with time.

Both statement and reason are true and the reason is the correct explanation of the statement

Both statement and reason are true but the reason is not the correct explanation of the statement

Statement is true, but the reason is false

Explore topic-wise MCQs in Engineering Physics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.

1.	Statement: The amplitude of an oscillating pendulum decreases gradually with time. Reason: The frequency of the pendulum decreases with time.
A.	Both statement and reason are true and the reason is the correct explanation of the statement
B.	Both statement and reason are true but the reason is not the correct explanation of the statement
C.	Statement is true, but the reason is false
D.	Statement and reason are false
Answer» D. Statement and reason are false

Discussion

2.	A horizontal platform with an object placed on it is executing simple harmonic motion in the vertical direction. The amplitude of oscillation is 3.92 10^-3 m. What must be the least period of these oscillations, so that the object is not detached from the platform?
A.	0.1256s
B.	0.1356s
C.	0.1456s
D.	0.1556s
Answer» B. 0.1356s

Discussion

3.	The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is ___________
A.	0.5
B.
C.	0.707
D.	0.61
Answer» B.

Discussion

4.	Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring (take g=9.8m/s²) is?
A.	4.9cm
B.	0.49cm
C.	9.4cm
D.	0.94cm
Answer» B. 0.49cm

Discussion

5.	If the frequency of oscillation of a particle doing simple harmonic motion is n, the frequency of kinetic energy is?
A.	2n
B.	n
C.	n/2
D.	2/n
Answer» D. 2/n

Discussion

6.	The maximum velocity of a particle, executing simple harmonic motion with amplitude 7mm, is 4.4m/s. The period of oscillation is?
A.	0.01s
B.	0.1s
C.	10s
D.	100s
Answer» B. 0.1s

Discussion

7.	The displacement of an object attached to a spring and executing simple harmonic motion is given by x = 2 10^-2 cos t(in m). The time at which the maximum speed first occurs is?
A.	0.5s
B.	0.75s
C.	0.125s
D.	0.25s
Answer» B. 0.75s

Discussion

8.	A simple pendulum of length l and with a bob whose mass is m is moving along a circular arc of angle in a vertical plane. A sphere of mass m is placed at the end of the circle. What momentum will be given to the sphere by the moving bob?
A.	Infinity
B.	Constant
C.	Unity
D.	Zero
Answer» E.

Discussion

Explore topic-wise MCQs in Engineering Physics.

Statement: The amplitude of an oscillating pendulum decreases gradually with time.Reason: The frequency of the pendulum decreases with time.

A horizontal platform with an object placed on it is executing simple harmonic motion in the vertical direction. The amplitude of oscillation is 3.92 10-3 m. What must be the least period of these oscillations, so that the object is not detached from the platform?

The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is ___________

Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring (take g=9.8m/s2) is?

If the frequency of oscillation of a particle doing simple harmonic motion is n, the frequency of kinetic energy is?

The maximum velocity of a particle, executing simple harmonic motion with amplitude 7mm, is 4.4m/s. The period of oscillation is?

The displacement of an object attached to a spring and executing simple harmonic motion is given by x = 2 10-2 cos t(in m). The time at which the maximum speed first occurs is?

A simple pendulum of length l and with a bob whose mass is m is moving along a circular arc of angle in a vertical plane. A sphere of mass m is placed at the end of the circle. What momentum will be given to the sphere by the moving bob?

Statement: The amplitude of an oscillating pendulum decreases gradually with time.
Reason: The frequency of the pendulum decreases with time.

A horizontal platform with an object placed on it is executing simple harmonic motion in the vertical direction. The amplitude of oscillation is 3.92 10^-3 m. What must be the least period of these oscillations, so that the object is not detached from the platform?

Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring (take g=9.8m/s²) is?

The displacement of an object attached to a spring and executing simple harmonic motion is given by x = 2 10^-2 cos t(in m). The time at which the maximum speed first occurs is?