The projection of the particle moving in a circle with non-uniform speed executes ?

A. S.h.m
B. Vibratory motion
C. Both b and d
D. None s.h.m

Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?

A. Mean position
B. Elsewhere
C. Extreme position
D. None

For a simple pendulu,m the restoring force is caused by________________?

A. Gravity
B. Spring
C. Hand
D. All of these

The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?

A. 10 cm
B. 5 cm
C. 15 cm
D. 7.5 cm

A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?

A. None
B. 1
C. 2
D. 3

In case of a simple pendulum, the cause of damping is__________________?

A. Drag force of air
B. Gravity
C. Tension in the string
D. None of these

The energy absorbed by a body is __________________ at resonance?

A. Maximum as well minimum
B. Minimum only
C. Maximum only
D. 0

Simple harmonic motion is a type of________________?

A. Rotational motion
B. Circular motion
C. Musical arrangement
D. Vibratory motion

The SI unit of force constant is identical with that of__________________?

A. Force
B. Pressure
C. Surface tension
D. Loudness

When the amplitude of a wave becomes double its energy become_________________?

A. Double
B. Four times
C. One half
D. None time