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. Water rises to a height h in a capillary at the surface of earth. On the surface
  2. If μᵥ=1.5230 and μʀ=15.145, then dispersive power of crown glass is
  3. Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
  4. If the volume of a block of aluminium is decreased by 1%, the pressure
  5. Alternating current cannot be measured by D.C Ammeter because