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JAMB Physics 2005 Question 38

Question 38

Sound

The velocity of sound in air will be doubled if its absolute temperature is

  1. A.doubled.
  2. B.halved.
  3. C.constant.
  4. D.quadrupled.
Show the answer and explanation

Answer: D (quadrupled.)

Explanation

v ∝ √T, so to double v the absolute temperature must be multiplied by 4.