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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
- A train moving at a speed of 220 ms⁻¹ towards a stationary object
- The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
- A transistor is working in common emitter mode. Its amplification factor is 80
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- A body of mass m is thrown upwards at an angle θ with the horizontal with velocity
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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