Question
Question: A point source is emitting sound in all directions. The ratio of distance of two points from the poi...
A point source is emitting sound in all directions. The ratio of distance of two points from the point source where the difference in loudness levels is 3dB, is (log10 2 = 0.3) –
A
21
B
21
C
41
D
32
Answer
41
Explanation
Solution
Do yourself