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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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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
- The condition for obtaining secondary maxima in the diffraction pattern
- In forward biasing of the p-n junction
- A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction
- Energy stored in the coil of a self inductance 40 mH carrying a steady current of 2A
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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