Two waves have the frequencies 128 Hz and 256 Hz with same amplitude, then their loudness is in the ratio?

1:1

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1:2

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2:1

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1:4

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Solution

The correct option is A
1:1

Since the amplitudes of both the waves are same, there will not be any difference in the loudness. It means the required ratio will be 1:1. Their pitch ratio will vary but the loudness ratio will remain as 1:1.

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