An observer is moving away from source of sound of frequency 100 Hz. His speed is 33 m/s. If speed of sound is 330 m/s, then the observed frequency is

An observer is moving away from a source of sound of frequency 100 Hz at aspeed of 33ms^-1 . If the spped of the sound in air is 330ms^-1 and the observed frequency is

An open pipe of length 33 cm resonates with frequency of 100 Hz . If the speed of sound is 330 m/s , then this frequency is

Two sirens situated one kilometer apart are producing sound of frequency 330 Hz. An observer starts moving from one siren to the other with a speed of 2m//s . If the speed of sound be 330 m//s , what will be the beat frequency heard by the observer?

An open pipe of length 33cm resonates with frequency of 1000Hz. If the speed of sound is 330m//s , then this frequency is -

An observer is moving away from a sound source of frequency 100 Hz. If the obsever is moving with a velocity 49ms^-1 and the speed of sound in air is 330ms^-1 . The observed frequency 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

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

A car is travelling with a velocity of 40 m//s towards a source of sound of frequency 1000 Hz. If sound velocity is 330 m//s , then apparent frequency heard by the observer (in Hz) is