Complete the correlation: Light : Can travel through vacuum :: Sound : ___

Complete the correlation: Light : Can travel through vacuum :: Sound : ___
  1. Can travel through vacuum
  2. Requires a material medium to propagate
  3. Travels faster in vacuum than in air
  4. Cannot travel through liquid media

Solution

Unlike light waves, sound waves are mechanical waves that strictly require a material medium (solid, liquid, or gas) to propagate.

Asked in: Homi Bhabha Practice

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