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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
- Four indentical thin rods each of mass M and length l, form a square frame
- The dimensions of universal gas constant are
- Large transformers, when used for some time, become hot and are cooled by circulating
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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