Question

A speeding motorcyclist sees trafic jam ahead of him. He
slows down to 36 km/hour. He finds that traffic has eased
and a car moving ahead of him at 18 km/hour is honking at
a frequency of 1392 Hz. If the speeds of sound is 343 m/s,
the frequency of the honk as heard by him will be :
(a) 1332 Hz (b) 1372 Hz [2014]
(c) 1412 Hz (d) 1464 Hz

Answer 1

Answer:

(b) 1372 Hz [2014]

Explanation:

here is your answer.

hope it will help you....

okk..

Answer 2

option b is correct

Explanation:

..........................y.