A source is moving towards an observer with a speed of 20 m/s and having frequency

A source is moving towards an observer with a speed of 20 m/s and having frequency of 240 Hz. The observer is now going towards the source with a speed of 20 m/s. Apparent frequency heard by an observer (velocity of sound is 340 m/s) will be

Options

(a) 360 Hz
(b) 280 Hz
(c) 270 Hz
(d) 240 Hz

Correct Answer:

270 Hz

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Which gate can be obtained by shorting both the input terminals of a NOR gate?
  2. In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
  3. If dimensions of critical velocity of a liquid flowing through a tube are expressed
  4. For a parallel beam of monochromatic light of wavelength λ diffraction is produced
  5. If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is