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A car sounding a horn of frequency 100 Hz passes an observer. The ratio of frequencies of the horn noted by the observer, before and after passing of car is 11:9. if the speed of sound is v, the speed of the car is
Options
(a) v/10
(b) v/2
(c) v/5
(d) v
Correct Answer:
v/10
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A photon of wavelength 300nm interacts with a stationary hydrogen atom in ground
- If a magnet is suspended at an angle 30⁰ to the magnetic meridian, the dip needle
- Ring, hollow ring and solid sphere are rolled down from inclined plane
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A common emitter amplifier has a voltage gain of 50, an input impedance of 100Ω
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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