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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
- The motion of a particle along a straight line is described by equation
- The dual nature of light is exhibited by
- Charge passing through a conductor of cross-section area A=0.3 m² is given
- Diameter of the objective of a telescope is 200 cm. What is the resolving power
- A wire having resistance 12Ω is bent in the form of an equilateral triangle.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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