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A source is moving towards an observer with a speed of 20 m/s and having frequency of 240 Hz. The observer is now going towards the source with a speed of 20 m/s. Apparent frequency heard by an observer (velocity of sound is 340 m/s) will be
Options
(a) 360 Hz
(b) 280 Hz
(c) 270 Hz
(d) 240 Hz
Correct Answer:
270 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
- A plank with a box on it at one end is gradually raised about the other end.
- Ring, hollow ring and solid sphere are rolled down from inclined plane
- Penetrating power of X-rays does not depend on
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
- An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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