A speed ign motorcyclist sees traffic ham ahead of him. He slows doen to `36 km//h` He finds that traffic has eased and a car moving ahead of him at `18 km//h` is honking at a frequency of 1392 Hz. If the speed of sound is `343m//s`, the frequency of the honk as heard by him will be

A speeding motorcyclist sees traffic jam ahead of him. He slows down to 36 km//h He finds that traffic has eased and a car moving ahead of him at 18 km//h is honking at a frequency of 1392 Hz. If the speed of sound is 343m//s , the frequency of the honk as heard by him will be (a) 1332 Hz (b) 1372 Hz (c) 1412 Hz (d) 1454 Hz

A speeding motor cyclist sees traffic jam ahead of him. He slows down to 36 km// hour . He finds that traffic has eased and car moving ahead of him at 18 km//hour is honking at a frequency of 1392Hz.If the speed of sound is 343m//s ,the frequency of the honk as heard by him will be

A car, sounding a horn of frequency 1000 Hz, is moving directly towards a huge wall at a speed of 15 m/s. If speed of sound is 340 m/s, then the frequency of the echo heard by the driver is