A free oscillation has constant:
Correct answer: D. All of these
- A. Energy
- B. Amplitude
- C. Frequency
- D. All of these
Explanation
Please note that the correct option is d) All of these. In a free oscillation, the energy, amplitude, and frequency all remain constant as long as there are no external forces or energy losses affecting the system.
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About Waves
Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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