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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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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A tyre filled with air (27° C and 2 atm) bursts. The temperature of air is (ˠ=1.5)
- A particle of mass m is projected with a velocity v making an angle of 45°
- The shortest wavelength in Lyman series is 91.2 nm. The largest wavelength
- A particle moves in a straight line with a constant acceleration
- The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV,
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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