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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.
Related Questions: - Which of the following pairs is wrong
- When the length of the vibrating segment of a sonometer wire is increased by
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following pairs is wrong
- When the length of the vibrating segment of a sonometer wire is increased by
- The moment of inertia of a rod about an axis through its centre and perpendicular
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- An electron moving in a circular orbit of radius r makes n rotations per second.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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