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NDA 1 2024 GAT, question 85

Topic: Physics

Q85

Which one of the following does not apply to sound waves in fluids ?

  1. (a) They transport energy
  2. (b) They need a medium to travel
  3. (c) They are transverseCorrect answer
  4. (d) They travel faster in liquids than in gases

Solution.

Answer: (c) They are transverse

  1. Ordinary sound waves in fluids are longitudinal pressure waves, not transverse waves.
  2. They carry energy and require a material medium.
  3. Thus (c) is the statement that does not apply.