| ⇦ | 
| ⇨ |
A source of sound S emitting waves of frequency 100 Hz and an observer O are located at some distance from each other. The source is moving with a speed of 19.4 ms⁻¹ at an angle of 60⁰ with the source observer line as shown in the figure. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air 330 ms⁻¹), is
Options
(a) 106 Hz
(b) 97 Hz
(c) 100 Hz
(d) 103 Hz
Correct Answer:
103 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - In a transistor the collector current is always less than the emitter current
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- what is the electric potential at a distance of 9cm from 3nC?
- A p-n photodiode is made of a material with a band gap of 2.0 eV
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a transistor the collector current is always less than the emitter current
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
- what is the electric potential at a distance of 9cm from 3nC?
- A p-n photodiode is made of a material with a band gap of 2.0 eV
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