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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.
Related Questions: - The width of the diffraction band varies
- If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
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Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The width of the diffraction band varies
- If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
- The unit of specific conductivity is
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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