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A source of sound S emitting waves of frequency 100 Hz and an observer O are located at some distance from each other. The source is moving with a speed of 19.4 ms⁻¹ at an angle of 60⁰ with the source observer line as shown in the figure. The observer is at rest. The apparent frequency observed by the observer (velocity of sound in air 330 ms⁻¹), is
Options
(a) 106 Hz
(b) 97 Hz
(c) 100 Hz
(d) 103 Hz
Correct Answer:
103 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
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
- The maximum kinetic energy of the photoelectrons depends only on
- The magnifying power of the astronomical telescope for normal adjustment is 50.
- In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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