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WBCS Main Examination 2023 — Paper IV: General Studies II · Question 180 of 200

Q180
General SciencePhysics
Which of the following phenomena is not common to sound and light waves?
  1. a.Interference
  2. b.Diffraction
  3. c.Polarisation
  4. d.reflection

Answer: (C) Polarisation

Polarisation is possible only for transverse waves such as light; sound in air is a longitudinal wave and cannot be polarised. Reflection, interference and diffraction occur for both sound and light.

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