Question

what properties of sound change with respect to any change in frequency and amplitude. choose the following options.
a)pitch-amplitude; echo-frequency
b)echo - amplitude; loudness- frequency
c)pitch-amplitude;loudness- frequency
d) loudness-amplitude;pitch-frequency​

Answer 1

Answer:

option d

Explanation:

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Answer 2

Answer:

option (d)

Explanation:

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