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Q: The pendulum acts like a harmonic oscillator, so it is used in -
  • A. Grandfather watch
  • B. Wrist watch
  • C. Sundial
  • D. Sand Clock (Avarglass)
Correct Answer: Option A - The pendulum acts like a harmonic oscillator, so it is used in grandfather watch. A pendulum is a weight suspended from a pivot so that is can swing freely. When released the restoring force acting on the pendulum mass causes it to oscillate about equilibrium position, swinging back and front. This phenomenon is called simple harmonic motion.
A. The pendulum acts like a harmonic oscillator, so it is used in grandfather watch. A pendulum is a weight suspended from a pivot so that is can swing freely. When released the restoring force acting on the pendulum mass causes it to oscillate about equilibrium position, swinging back and front. This phenomenon is called simple harmonic motion.

Explanations:

The pendulum acts like a harmonic oscillator, so it is used in grandfather watch. A pendulum is a weight suspended from a pivot so that is can swing freely. When released the restoring force acting on the pendulum mass causes it to oscillate about equilibrium position, swinging back and front. This phenomenon is called simple harmonic motion.