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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 1 µA beam of protons with a cross-sectional area of 0.5 sq.mm is moving with a velocity
- For a particle in a non-uniform accelerated circular motion correct statement is
- When light of wavelength 300 nm falls on a photoelectric emitter,
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The de-Broglie wavelength of a proton(charge = 1.6 x 10⁻¹⁹ C, Mass = 1.6 x 10⁻²⁷ kg)
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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