| ⇦ | 
| ⇨ |
Two sources P and Q produce notes of frequency 660 Hz each. A listener moves from P to Q with a speed of 1 ms⁻¹. If the speed of sound is 330 m/s, then the number of beats heard by the listener per second will be
Options
(a) zero
(b) 4
(c) 8
(d) 2
Correct Answer:
4
Explanation:
∆f / f = v / C
(beats) /2 / f = v / C
Beats = 2 fv / C = 4
Related Questions: - Slope of PV and V for an isobaric process will be
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- The phenomenon of radioactivity
- Which one of the following statements is not correct in case of a semiconductor?
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Slope of PV and V for an isobaric process will be
- A spherical body of emissivity e=0.6, placed inside a perfectly black body is maintained
- An engine has an efficiency of 1/6. When the temperature of sink is reduced
- The phenomenon of radioactivity
- Which one of the following statements is not correct in case of a semiconductor?
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