what is its apparent frequency (in kHz) ?

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A locomotive engine approaches a railway station and whistles at a frequency of 400 Hz. A stationary observer on the platform observes a change of 40 Hz as the engine passes across him. If the velocity if sound is 340 m/s, the speed of the engine is
05
Nov
A locomotive engine approaches a railway station and whistles at a frequency of 400 Hz. A stationary observer on the platform observes a change of 40 Hz as the engine passes across him. If the velocity if sound is 340 m/s, the speed of the engine is If a particle is travelling with a speed [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 ,
Tags: If a particle is travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency 1 kHz and moving towards the observer , what is its apparent frequency (in kHz) ? ,
If a particle is travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency 1 kHz and moving towards the observer, what is its apparent frequency (in kHz) ?
05
Nov
If a particle is travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency 1 kHz and moving towards the observer, what is its apparent frequency (in kHz) ? If a particle is travelling with a speed of 0.9 of the speed of sound and is emitting radiations [...]
Posted in: Arihant Physics by D.C Pandey , Chapter 16 - Waves , Volume 1 ,
Tags: If a particle is travelling with a speed of 0.9 of the speed of sound and is emitting radiations of frequency 1 kHz and moving towards the observer , what is its apparent frequency (in kHz) ? ,