| ⇦ | 
| ⇨ |
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: - A small angled prism of refractive index 1.4 is combined with another small angled prism
- The radii of circular orbits of two satellites A and B of the earth, are 4R and R
- A student measures the terminal potential difference (V) of a cell
- The emission line of Lyman corresponds to the absorption line in laboratory temperature
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A small angled prism of refractive index 1.4 is combined with another small angled prism
- The radii of circular orbits of two satellites A and B of the earth, are 4R and R
- A student measures the terminal potential difference (V) of a cell
- The emission line of Lyman corresponds to the absorption line in laboratory temperature
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
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