If the mass of the bob of simple pendulum is doubled, its time period is:
Correct answer: C. Remains constant
- A. One half
- B. Doubled
- C. Remains constant
- D. One fourth
Explanation
c) Remains constant:This option suggests that if the mass of the bob of a simple pendulum is doubled, its time period will remain constant. This is correct. The time period of a simple pendulum is primarily determined by the length of the pendulum and the acceleration due to gravity. It is independent of the mass of the bob.
This question appeared on the HEC Phase II 2017 paper, which you can sit online with every answer explained.
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About Simple Harmonic Motion
Simple harmonic motion is oscillation in which acceleration is directly proportional to displacement and directed toward the equilibrium position. Work includes displacement, velocity, acceleration, phase, period, frequency, amplitude and energy, with applications to springs and simple pendulums. The restoring force and the conditions for SHM distinguish it from general periodic motion.
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