Two waves of the same pitch have their amplitudes in the ratio 2:3.

The ratio of their loudness will be:

2:3

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4:9

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3:2

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9:4

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Solution

The correct option is B
4:9

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Similar questions

Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their

(i) loudness, and

(ii) pitch.

Two sounds of same loudness and same pitch produced by the two different instruments differ in their:

(a) amplitudes (b) frequencies

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