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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 planet moving along an elliptical orbit is closest to the sun at a distance of r₁
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- The earth is assumed to be a sphere of radius R. A platform is arranged at a height R
- Radius of orbit of satellite of earth is R. Its kinetic energy is proportional to
- Two coils of self inductance 2 mH and 8 mH are placed so close together
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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