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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
- The equivalent resistance of two resistors connected in series is 6 Ω
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
- The radius of curvature of a convave mirror is 24 cm and the imager is magnified
- If a vector 2i+3j+8k is perpendicular to the vector 4j-4i+αk, then value of α is
- A force of 10 newton acts on a body of mass 20 kg for 10 seconds. Change in its momentum
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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