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An observer moving away from a stationary source. The observed frequency is half of the emitted frequencies. The velocity of observer is (c=speed of sound in air)
Options
(a) c
(b) c/2
(c) c/3
(d) 2c
Correct Answer:
c/2
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
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- Maximum velocity of the photoelectrons emitted by a metal surface is 1.2×10⁶ ms⁻¹.
- A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
- If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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