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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
- The angular momentum of an electron is J. The magnitude of the magnetic moment
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- Two thin dielectric slabs of dielectric constants K₁ and K₂, (K₁ < K₂) are inserted
- For a wave propagating in a medium, identify the property that is independent
- If an electron and a positron annihilate, the energy released is
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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