All of the following phenomena are exhibited by longitudinal waves EXCEPT
Correct answer: D. Polarisation.
- A. Refraction.
- B. Diffraction.
- C. Interference.
- D. Polarisation.
Explanation
The correct answer is polarisation. Polarisation is a property of transverse waves, where the oscillations occur in a particular direction perpendicular to the direction of wave travel. Longitudinal waves, such as sound waves, oscillate in the same direction as they propagate and therefore cannot exhibit polarisation. On the other hand, phenomena like refraction, diffraction, and interference can occur with both longitudinal and transverse waves.
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Progressive waves transfer energy through a medium or space while particles oscillate about their equilibrium positions. The work includes amplitude, wavelength, frequency, period, phase difference, wave speed and the progressive wave equation, while distinguishing travelling waves from stationary waves, where the pattern has fixed nodes and antinodes.
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