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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 respective speeds of the molecules are 1,2,3,4 and 5 km/s.
- The maximum velocity of a particle, executing simple harmonic motion with an amplitude
- Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively
- The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
- Which of the following measurement is most precise?
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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