Explore topic-wise MCQs in Engineering Physics.

This section includes 13 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.

TWO_BODIES_M_AND_N_OF_EQUAL_MASSES_ARE_SUSPENDED_FROM_SEPARATE_MASSLESS_SPRING_OF_SPRING_CONSTANTS_K1_AND_K2_RESPECTIVELY._IF_THE_TWO_BODIES_OSCILLATE_VERTICALLY_SUCH_THAT_THEIR_MAXIMUM_VELOCITIES_ARE_EQUAL,_THE_RATIO_OF_THE_AMPLITUDE_OF_VARIATION_OF_M_TO_THAT_OF_N_IS?$

A. k<sub>1</sub>/k<sub>2</sub>
B. ‚àö(k<sub>1</sub>/k<sub>2</sub>)
C. k<sub>2</sub>/k<sub>1</sub>
D. ‚àö(k<sub>2</sub>/k<sub>1</sub> )
Answer» E.
Discussion
2.

If a simple pendulum oscillates with amplitude of 50mm and time period of 2s, then its maximum velocity is$

A. 0.10m/s
B. 0.16m/s
C. 0.24m/s
D. 0.32m/s
Answer» C. 0.24m/s
Discussion
3.

In forced oscillation of a particle, the amplitude is maximum for a frequency ω1 of the force, while the energy is maximum for a frequency ω2 of the force. Then$#

A. ω<sub>1</sub>=ω<sub>2</sub>
B. ω<sub>1</sub> is lessed than ω<sub>2</sub>
C. ω<sub>1</sub> is lesser than ω<sub>2</sub>, when damping is small and ω<sub>1</sub> is greater than ω<sub>2</sub>, when damping is large
D. ω<sub>1</sub> is lesser than ω<sub>2</sub>
Answer» B. ‚âà√¨‚àö¬¢<sub>1</sub> is lessed than ‚âà√¨‚àö¬¢<sub>2</sub>
Discussion
4.

Statement: Resonance is a special case of forced vibration in which the nature and frequency of vibration of the body is the same as the impressed frequency and the amplitude of forced vibration, is maximum
A. None of these
B. Both statement and reason are true and the reason is the correct explanation of the statement
C. Both statement and reason are true but the reason is not the correct explanation of the statement
Answer» D.
Discussion
5.

If the period of oscillation of mass m suspended from a spring is 2s, then the period of mass 4m will be
A. 1s
B. 4s
C. 8s
D. 16s
Answer» C. 8s
Discussion
6.

A simple pendulum has a time period T. The pendulum is completely immersed in a non-viscous liquid, whose density is 1/10th of that of the material of the bob. The time period of the pendulum is immersed in the liquid i?

A. T
B. T/10
C. ‚àö(9/10) T
D. ‚àö(10/9) T
Answer» E.
Discussion
7.

The time period of a simple pendulum on a satellite, orbiting around the earth, is
A. Infinite
B. Zero
C. 84.6 min
D. 24 hours
Answer» B. Zero
Discussion
8.

A particle executes simple harmonic motion with an angular velocity of 3.5 rad/sec and maximum velocity acceleration 7.5 m/s2 respectively. The amplitude of oscillations is

A. 0.28m
B. 0.36m
C. 0.707m
D. Zero
Answer» E.
Discussion
9.

A particle executes simple harmonic motion with an amplitude a. The period of oscillation is T. The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is

A. T/12
B. T/8
C. T/4
D. T/2
Answer» B. T/8
Discussion
10.

A mass m is suspended from a spring. Its frequency of oscillation is f. The spring is cut into two halves and the same mass is suspended from one of the two pieces of the spring. The frequency of oscillation of mass will be

A. ‚àö2 f
B. f/2
C. f
D. 2f
Answer» B. f/2
Discussion
11.

A particle is executing simple harmonic motion at midpoint of mean position and extremely. What is the potential energy in terms of total energy (E)?

A. E/4
B. E/16
C. E/2
D. E/8
Answer» B. E/16
Discussion
12.

A spring of spring constant 5√ó103N/m is stretched initially by 5cm from the unstretched position. Then the work done to stretch is further by another 5cmis$

A. 6.25Nm
B. 12.50Nm
C. 18.75Nm
D. 25Nm
Answer» D. 25Nm
Discussion
13.

The length of a simple pendulum executing simple harmonic motion is increased by 21%. The percentage increase in the time period of the pendulum of increases length is

A. 50%
B. 21%
C. 30%
D. 10.5%
Answer» E.
Discussion