90. Consider the waves on a vibrating guitar string and the sound waves the guitar produces in the surrounding air. The string waves and the sound waves must have the same____________ .
(A) wavelength.
(B) velocity.
(C) frequency.
(D) amplitude.

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統計： A(0), B(1), C(2), D(0), E(0) #2319907

詳解 (共 1 筆)

#5398464
頻率相同時，產生共鳴
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