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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
- In an A.C circuit of capacitance the current from potential is
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
- Initial pressure and volume of a gas are P and 800cc. If the final volume is 100cc
- In L-C-R series circuit, an alternating emf e and current i are given by the equations
- A drum of radius R and mass M, rolls down without slipping along an inclined plane
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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