Physics Class 11 - Chapter 7OscillationsTest - 4

Physics Class 11 - Chapter 7
Oscillations
Test - 4

1. The energy of S.H.M is maximum at?

a) Extreme position
b) Mean position
c) Between extreme and mean
d) Remain same during all position

2. The product of frequency and time period is?

a) 2
b) Zero
c) 3
d) 4

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

a) None of these
b) Vibratory motion
c) S.H.M
d) Both of these

4. When the amplitude of a wave becomes double its energy becomes?

a) Remain same
b) Four times
c) Double
d) Half of the original

5. The force responsible for the vibratory motion of the simple pendulum as?

a) Mg cos
b) Mg tan
c) Mg
d) Mg sin

6. Sharpness of resonance is?

a) Independent of this fact
b) Equal to square of damped force
c) Directly proportional to damping force
d) Inversely proportional to damping process

7. The restoring force acting on simple pendulum is given by?

a) Mgsin
b) Mgcos
c) -mgcos
d) -mgsin

8. Which one works according to damped process?

a) Microwave oven
b) All of these
c) T.V
d) Radio

9. The SI unit of force constant is same as of?

a) Stress
b) Surface tension
c) Force
d) Pressure

10. Simple harmonic motion is the type of?a) Rotational motion
b) Circular motion
c) Vibratory motion
d) Harmonic motion

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