An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.

An Engine Is Moving Towards A Wall With A Velocity Physics Question

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:

  1. A particle executes simple harmonic oscillations with an amplitude
  2. Which of the following rods of same material undergoes maximum elongation
  3. 1 Wb/m² equal to
  4. An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
  5. The cylindrical tube of a spray pump has radius R, one end of which has n fine holes,

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*