The Doppler Effect: A Train Approaching a Stationary Observer

manimaran1605
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A train (source) approaching a stationery observer, wavelength of the sound is equal to the distance between source and observer, How?
 
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manimaran1605 said:
A train (source) approaching a stationery observer, wavelength of the sound is equal to the distance between source and observer, How?
How about explaining what you're talking about? Does this have anything to do with relativity?
 
Wavelengths of audible sound are a few meters or less. I wouldn't want to be that close to an approaching train! :eek:
 
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