| ⇦ | 
| ⇨ |
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 charges Q, +q, and +q are placed at the vartices of an equilateral
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- One way in which the operation of a n-p-n transistor differs from that of a p-n-p
- Cohesive force is experienced between
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The charges Q, +q, and +q are placed at the vartices of an equilateral
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- One way in which the operation of a n-p-n transistor differs from that of a p-n-p
- Cohesive force is experienced between
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