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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.
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a carnot engine is working with source temperature at 227⁰C and sink
- As a result of interference of two coherent sources of light, energy is
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- A tuning fork vibrates with 2 beats in 0.04 second. The frequency of the fork is
- A certain mass of Hydrogen is changed to Helium by the process of fusion
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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