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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
- Work done by an external agent in separating the parallel plate capacitor is
- The dual nature of light is exhibited by
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
- Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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