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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
- What determines the nature of the path followed by the particle?
- If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
- What is the time taken by moon light to reach earth?
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- When a ball is thrown up vertically with velocity vₒ,it reaches a maximum height
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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