A car sounding a horn of frequency 100 Hz passes an observer. The ratio

A car sounding a horn of frequency 100 Hz passes an observer. The ratio of frequencies of the horn noted by the observer, before and after passing of car is 11:9. if the speed of sound is v, the speed of the car is

Options

(a) v/10
(b) v/2
(c) v/5
(d) v

Correct Answer:

v/10

Explanation:

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

admin:

Related Questions

  1. A capacitor of capacitance value 1 μF is charged to 30 V and the battery
  2. The work function of a substance is 4.0 eV. The longest wavelength of light
  3. A tuning fork A produces 4 beats per second with another tuning fork B of frequency
  4. Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
  5. An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed