| ⇦ | 
| ⇨ |
A source of sound of frequency 256 Hz is moving rapidly towards a wall with a velocity of 5 m/s. The speed of sound is 300 m/s. If the observer is between the wall and the source, then beats per second heard will be
Options
(a) 7.8 Hz
(b) 7.7 Hz
(c) 3.9 Hz
(d) Zero
Correct Answer:
7.8 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- The displacement of a particle along the x-axis is given by x = a sin² ?t
- A charge Q is uniformly distributed over a large plastic plate. The electric field
- A particle moves along a circle of radius 20/π m with constant tangential acceleration
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following transitions in hydrogen atoms emit photons of highest frequency?
- The displacement of a particle along the x-axis is given by x = a sin² ?t
- A charge Q is uniformly distributed over a large plastic plate. The electric field
- A particle moves along a circle of radius 20/π m with constant tangential acceleration
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
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