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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
- Across a metallic conductor of non-uniform cross-section, a constant potential
- The distance of a geo-stationary satellite from the centre of the earth is nearest to
- A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
- In L-C-R series circuit, an alternating emf e and current i are given by the equations
- When photons of energy hν fall on an aluminium plate (of work function E₀),
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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