If a pendulum completes one cycle in half a second, its frequency is
Correct answer: B. 2 Hz
- A. 1 Hz
- B. 2 Hz
- C. 3 Hz
- D. 4 Hz
Explanation
Correct. Here's the calculation:Relationship between frequency and period:Frequency (f) = 1 / Period (T)Where:f = frequency (Hz)T = period (seconds)Given period:T = 0.5 secondsCalculate frequency:f = 1 / 0.5 = 2 Hz
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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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