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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.
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge
- An α-particle and a proton travel with the same velocity in a magnetic field
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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