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An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz. Speed of sound in air=350 ms⁻¹. The frequency of the note after reflection from the wall as heard by the driver of the engine is
Options
(a) 2.4 kHz
(b) 0.24 kHz
(c) 1.6 kHz
(d) 1.2 kHz
Correct Answer:
1.6 kHz
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
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A body of mass 10 kg is moving on an inclined plane of inclination 30°with an acceleration
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- An electric dipole is placed at an angle 30°with an electric field intensity 2×10⁵N/C.
- An elevator car whose floor to ceiling distance is equal to 2.7m starts
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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