Calculate the ratio of intensity or loudness of 2 waves having amplitudes in the ratio 4: 9
4:9
9:4
1:1
16:81
2:3
Two waves of the same pitch have amplitudes in the ratio 1:4, calculate the ratio of their loudness.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of their (i) loudness, and (ii) frequencies ?