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Oscillatory Motion Multiple Questions and Answers.
| 6. | The displacement of a simple harmonic motion doing oscillation when kinetic energy = potential energy (amplitude = 4cm) is? | ||
| A. | 2√2cm | ||
| B. | 2cm | ||
| C. | 1/√2 cm | ||
| D. | √2 cm | ||
| 7. | The length of a simple pendulum executing simple harmonic motion is increased by 21%. The percentage increase in the time period of the pendulum of increases length is? | ||
| A. | 50% | ||
| B. | 21% | ||
| C. | 30% | ||
| D. | 10.5% | ||
| 8. | A spring of spring constant 5×103N/m is stretched initially by 5cm from the unstretched position. Then the work done to stretch is further by another 5cm is? | ||
| A. | 6.25Nm | ||
| B. | 12.50Nm | ||
| C. | 18.75Nm | ||
| D. | 25Nm | ||
| 9. | A particle is executing simple harmonic motion at midpoint of mean position and extremely. What is the potential energy in terms of total energy (E)? | ||
| A. | E/4 | ||
| B. | E/16 | ||
| C. | E/2 | ||
| D. | E/8 | ||
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