MCAT Question A Day - 4/14/14 - Answer!

Two tuning forks vibrate so that the note produced by the first fork is exactly one octave above the note produced by the second fork. Compared to the speed of the wave produced by the first fork, the speed of the wave produced by the second fork is

A. half as fast.

B. twice as fast.

C. eight times as fast.

D. the same speed.

The correct answer is (D). The speed of sound in air is constant at any given temperature regardless of the frequency of the sound.

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