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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.
Related Questions: - In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- If X=3YZ², find dimensions of Y if X and Z are the dimensions of capacity
- An alternating emf given by equation e=300 sin[(100 π)t] V
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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