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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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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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