Product of time period and frequency is ____________?
Correct answer: C. Unity
- A. Time period
- B. Frequency
- C. Unity
- D. Velocity
Explanation
Frequency is the reciprocal of time period, so f = 1/T. Therefore, T(s) × f(s^-1) = 1, which is unity and has no unit; the likely mistake is choosing time period by ignoring the reciprocal relationship.
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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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