A whistle emitting a sound of frequency 450 Hz approaches a stationary observer at a speed of 33 m/s. Velocity of sound is 330 m/s. The frequency heard by the observer, in Hz, is :

A source of sound emitting sound with frequency 540Hz approaches a staionary observer with a speed of 30 ms^-1 . If velocity of sound is taken as 330 ms^-1 , the frequency as heard by the observer will be

A whistle giving out a sound of frequency 450Hz , approaches a stationary observer at a speed of 33ms_(1) . The frequency heard by the observer is (speed of sound =330m s_(1) ____.

A source whistling a sound of frequency 450 Hz moves towards a stationary listener with a speed of 33 m/s. If velocity of sound is 333 m/s, then find frequency of sound heard by this listener.

A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s.The frequency heard by the observer in Hz is (velocity of sound = 333m/s)

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s.The speed of the sound id 330 m/s.The frequency heard by the observer is

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s . The speed of sound is 330 m/s . the frequency heard by the observer will be