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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
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
- When alpha particles captures and electron, then it becomes a
- A charged particle enters a uniform magnetic field with a certain speed at right angles
- If a magnetic substance is brought near the north or the south pole of a bar magnet
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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