| ⇦ | 
| ⇨ |
An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz. Speed of sound in air=350 ms⁻¹. The frequency of the note after reflection from the wall as heard by the driver of the engine is
Options
(a) 2.4 kHz
(b) 0.24 kHz
(c) 1.6 kHz
(d) 1.2 kHz
Correct Answer:
1.6 kHz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- Weber ampere per metre is equal to
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The wing span of an aeroplane is 20 m. It is flying in a field where the vertical
- Weber ampere per metre is equal to
- The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon.
- The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
- If voltage across a bulb rated 220 volt-100 Watt drops by 2.5% of its rated value
Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply