Question

If the ratio of amplitude of two sounds waves is 4:3 then the ratio of maximum and minimum intensities is 1) 1:7 2) 2:49 3) 49:1 4) 7:1

Answer 1

Answer:

3) 49:1

Explanation:

A1/A2 = 4/3

and (Max. Intensity)/ (Min. Intensity) = (A1 + A2)²/A1 - A2)²