A point source emits sound equally in all directions in a non-absorbing medium.

A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 m and 3 m respectively from the source. The ratio of the intensities of the waves at P and Q is

Options

(a) (3:2)
(b) (2:3)
(c) (9:4)
(d) (4:9)

Correct Answer:

(9:4)

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is
  2. Mass defect is known as
  3. Four cells, each of emf E and internal resistance r, are connected in series across
  4. A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity
  5. A battery of e.m.f. E and internal resistance r is connected to an external resistance