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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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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
- A device which converts electrical energy into mechanical energy is
- The magnifying power of a telescope is 9. When it is adjusted for parallel rays
- The distance of the moon form the earth is 3.8×10⁵ km. Supposing that the eye
- Which of the following is or the property of a cathode ray
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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