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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The rms current in an AC circuit is 2 A. If the wattless current be √3 A,
- IF A⃗ and B⃗ are two vectors and θ is the angle between them
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- A galvanometer having resistance of 50 Ω requires a current of 100μA to give full
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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