Which of the following factors can affect the s... - WAEC Physics 2007 Question
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
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Correct Option: A
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