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NDA2010General AbilityGeneral ScienceActual

Sound moves with higher velocity if:

Options

  1. Apressure of the medium is decreased
  2. Btemperature of the medium is increased
  3. Chumidity of the medium is increased
  4. Dboth B and C above

Correct answer

D. both B and C above

Step-by-step solution

The correct answer is option (D).

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