| ⇦ |
| ⇨ |
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 de-Broglie wavelength of an electron having 80 eV of energy is nearly
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
Topics: Waves
(80)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The de-Broglie wavelength of an electron having 80 eV of energy is nearly
- A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.
- The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- Heat is supplied at constant pressure to diatomic gas. The part of this heat that goes
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