| Chapter-14: Oscillations |
1. in SH.M. acceleration is proportional to –
- Velocity
- Displacement
- Time period
- Frequency
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]Displacement [/su_spoiler]
2. At resonance the amplitude of forced oscillations is –
- minimum
- maximum
- zero
- None of these.
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]maximum [/su_spoiler]
3. Time period of the second pendulum is –
- 1 second
- 2 seconds
- 4 seconds
- 5 seconds
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]2 seconds [/su_spoiler]
4. Which one of the following is not a periodic motion?
- Rotation of the earth about its axis,
- A freely suspended bar magnet displaced from its N – S direction and released
- The motion of hands of a clock
- An arrow released from a bow.
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]An arrow released from a bow. [/su_spoiler]
5. Which one of the following motions is not simple harmonic?
- Vertical oscillations of a spring
- The motion of a simple pendulum
- The motion of the planet around the Sun
- Oscillation of liquid in a
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]The motion of the planet around the Sun [/su_spoiler]
6. The displacement of a particle in S.H.M. in one time period is
- A
- 2A
- 4A
- Zero
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]Zero [/su_spoiler]
7. The time period of oscillation of a particle in S.H.M depends-
- not upon its mass
- upon its mass
- upon the amplitude of the S.H.M
- upon the phase of the particle
[su_spoiler title=”Answer” style=”fancy” icon=”caret”]not upon its mass[/su_spoiler]