A person is standing on a railway platform and a train is approaching to him, what is maximum wavelength of sound he can hear? Wavelength of whistle=1m, speed of sound in air=330m/s, speed of train=36km/h.

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Wave topics include: Waves-transverse, longitudinal, progressive, travelling, stationary, superposition and sound waves, reverberation, acoustics and beats.   A wave is a disturbance that propagates dynamically. Waves can have many characteristics, including: Amplitude: The maximum displacement of a wave, measured in meters Frequency: A characteristic of waves that can be used to measure them Wavelength: A significant variable used to define wave characteristics Period: A characteristic of waves Speed: A characteristic of waves Phase: A characteristic of waves  Waves can be... Show more

A person is standing on a railway platform and a train is approaching to him, what is maximum wavelength of sound he can hear? Wavelength of whistle=1m, speed of sound in air=330m/s, speed of train=36km/h.