| ⇦ | 
| ⇨ |
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 total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- Which one of the following statements is not correct in case of a semiconductor?
- An electric dipole of dipole moment p is placed in a uniform external electric field
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
- The ratio of the numerical value of the average velocity and average speed
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity
- Which one of the following statements is not correct in case of a semiconductor?
- An electric dipole of dipole moment p is placed in a uniform external electric field
- A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
- The ratio of the numerical value of the average velocity and average speed
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