Which of the following factors can affect the speed of sound in air? i. The...
PHYSICS
WAEC 2007
Which of the following factors can affect the speed of sound in air? i. The temperature of the surrounding ii. The direction of the wind iii. The pitch of the sound.
- A. i and ii only
- B. ii and iii only
- C. i and iii only
- D. i, ii and iii
Correct Answer: A. i and ii only
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