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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 boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
- Which radiations are used in tratement of muscles ache?
- The power factor of an AC circuit having resistance R and inductance L connected
- The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
- A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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