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A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. The frequency of sound heard by listener is (velocity of sound = 300 m/s)
Options
(a) 727.3 Hz
(b) 481.2 Hz
(c) 644.8 Hz
(d) 286.5 Hz
Correct Answer:
727.3 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Steam at 100⁰C is passed into 20 g of water at 10°C. When water acquires a temperature
- A bus is moving with a speed of 10 ms⁻¹ on a straight road
- The unit of reactance is
- A circular disc of radius R and thickness R/6 has moment of inertia I about an axis
- A potentiometer wire of length L and a resistance r are connected in series with
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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