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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
- The dimensional formula of Plancks’s constant and angular momentum are
- Which one of the following is not a unit of young’s modulus?
- Light of two different frequencies whose photons have energies 1eV
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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