| ⇦ | 
| ⇨ |
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: - The angle between the two vectors A = 3i+4j+5k and B = 3i+4j-5k will be
- Weber ampere per metre is equal to
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
- The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The angle between the two vectors A = 3i+4j+5k and B = 3i+4j-5k will be
- Weber ampere per metre is equal to
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
- The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
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