passwella.
Menu

JAMB Physics 1980 Question 34

Question 34

Sound

Which of the following statements about sound is NOT true?

  1. A.Sound is a longitudinal wave
  2. B.Sound can be reflected and refracted like light
  3. C.Sound travels through a vacuum
  4. D.Sound moves faster in a steel wire than in air
  5. E.Sound can only be produced by vibrating objects.
Show the answer and explanation

Answer: C (Sound travels through a vacuum)

Explanation

Sound needs a material medium, so it cannot travel through a vacuum.