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Harmonic Motion Multiple Questions and Answers.
| 6. | In case of a forced vibration, the resonance wave becomes very sharp when the? | ||
| A. | Applied periodic force is small | ||
| B. | Quality factor is small | ||
| C. | Damping force is small | ||
| D. | Restoring force is small | ||
| 7. | If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will? | ||
| A. | Increase | ||
| B. | Decrease | ||
| C. | Remains the same | ||
| D. | First increases and then decreases | ||
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