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Periodic Motion Multiple Questions and Answers.
| 2. | The maximum velocity of a particle, executing simple harmonic motion with amplitude 7mm, is 4.4m/s. The period of oscillation is? | ||
| A. | 0.01s | ||
| B. | 0.1s | ||
| C. | 10s | ||
| D. | 100s | ||
| 3. | If the frequency of oscillation of a particle doing simple harmonic motion is n, the frequency of kinetic energy is? | ||
| A. | 2n | ||
| B. | n | ||
| C. | n/2 | ||
| D. | 2/n | ||
| 4. | Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring (take g=9.8m/s2) is? | ||
| A. | 4.9cm | ||
| B. | 0.49cm | ||
| C. | 9.4cm | ||
| D. | 0.94cm | ||
| 5. | The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is? | ||
| A. | 0.5π | ||
| B. | π | ||
| C. | 0.707 π | ||
| D. | 0.61 π | ||
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