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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
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- Which of the following transitions will have highest emission wavelength?
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- An electric kettle takes 4A current at 220 V. How much time will it take to boil 1 kg
- Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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