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Harmonic Motion Multiple Questions and Answers.
| 1. | A spring of force constant k is cut into two pieces, such that one piece is double the length of the other. Then the long piece will have a force constant of? | ||
| A. | (2/3) k | ||
| B. | (3/2) k | ||
| C. | 3k | ||
| D. | 6k | ||
| 3. | What is the maximum acceleration of the particle executing the simple harmonic motion, y = 2sin[(πt/2)+φ], where y is in cm? | ||
| A. | π/2 cm/s2 | ||
| B. | π2/2 cm/s2 | ||
| C. | π/4 cm/s2 | ||
| D. | π2/4 cm/s2 | ||
| 4. | When the maximum kinetic energy of a simple pendulum is K, then what its displacement (in terms of amplitude a) when its kinetic energy is K/2? | ||
| A. | a/√2 | ||
| B. | a/2 | ||
| C. | a/√3 | ||
| D. | a/3 | ||
| 5. | The mass and the radius of a planet are twice that of earth. Then, period of oscillation of a second pendulum on that planet will be? | ||
| A. | 1/√2s | ||
| B. | 2√2s | ||
| C. | 2s | ||
| D. | 1/2s | ||
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