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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
- An electric current passes through a long straight wire
- Planck’s constant has same dimensions as those of
- A concave mirror ia placed over a beaker containing water of
- A uniform chain of length L and mass m is kept on a smooth table. It is released
- Which of the following is true for elastic potential energy density?
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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