| ⇦ | 
| ⇨ |
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.
Related Questions: - A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface
- The temperature coefficient of resistance of an alloy used for making resistor is
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
- The Kα X-ray of molybdenum has a wavelength of 71×10⁻¹² m. If the energy of a molybdenum
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass m is placed on the earth’s surface. It is taken from the earth’s surface
- The temperature coefficient of resistance of an alloy used for making resistor is
- A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
- The Kα X-ray of molybdenum has a wavelength of 71×10⁻¹² m. If the energy of a molybdenum
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply