Free Waves MCQs with Answers

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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.

Last updated 9 September 2026

Progressive Waves Wave Speed Speed of Sound Superposition and Interference Stationary Waves Organ Pipes Simple Harmonic Motion

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1281. If absolute temperature of deuterium is made 16 times its normal value, then the speed of the sound waves will increase by a factor of:

A. 16
B. 8
C. Speed remains same
D. None is true

Explanation: If the absolute temperature of deuterium is increased by a factor of 16, the speed of sound waves in deuterium will also increase by the…

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