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A speeding motorcyclist sees traffic jam ahead him. He slows down to 36 km hour⁻¹. He finds that traffic has eased and a car moving ahead of him at 18 km hour⁻¹ is honking at a frequency of 1392 Hz. If the speed of sound is 343 m s⁻¹, the frequency of the honk as heard by him will be
Options
(a) 1332 Hz
(b) 1372 Hz
(c) 1412 Hz
(d) 1454 Hz
Correct Answer:
1412 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
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- A bar magnet of magnetic moment M is placed at right angles to a magnetic
- A small angled prism of refractive index 1.4 is combined with another small angled prism
- The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second
- A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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