An engine running at speed `(v)/(10)` sounds a whistle of frequency 600 Hz. A passenger in a train coming from the oppsite side at speed of `(v)/(15)` experiences this whistle to be of frequency f. If v is speed of sound in air and there is no wind. F is nearest to

The engine of a train sound a whistle at frequency v, the frequency heard by a passenger is

The engine of a train sound a whistle at frequency v , the frequency heard by a passenger is

The engine of a train sound a whistle at frequency v, the frequency heard by a passenger is

The engine of a train sound a whistle at frequency v , the frequency heard by a passenger is

A train approaching a hill at a speed of 60 km//hour sounds a whistle of frequency 600Hz when it is distance of 1km from the hill. Wind is blowing in the direction of the train with a speed of 60 km//h Find the frequency of the whistle heard by an observer on the hill:speed of sound in air 1200km/h)

A passenger is sitting in a fast moving train The engine of the train below a whistle of frequency 'n' .If the apparent frequency of sound heard by the passenger is 'n' then

A passenger is sitting in a fast moving train. The engine of the train blows a whistle of frequency ‘n\ If the apparent frequency of sound heard by the passenger is n', then

A passenger is sitting in a fast moving train The engine of the train below a whistle of frequency 'n' .If the apparent frequency of sound heard by the passenger is 'n' then