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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 ray of light travelling in a transparent medium of refractive index µ, falls on surface
- A small angled prism of refractive index 1.4 is combined with another small angled prism
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- Consider two nuclei of the same radioactive nuclide. One of the nuclei was created
- A particle is under two mutually perpendicular simple harmonic motions
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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