The wave which requires a medium for its propagation is known as:
Correct answer: A. Mechanical waves
- A. Mechanical waves
- B. Electromagnetic waves
- C. Radio waves
- D. Light waves
Explanation
The wave which requires a medium for its propagation is known as a mechanical wave. Mechanical waves are waves that are made up of vibrations of matter. They require a medium to propagate, meaning that they cannot travel through a vacuum.
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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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