Calculate the apparent frequency of the horn of a car approaching a stationary listener with a velocity of `12 ms^(-1)`. The frequency of horn is 500 Hz.The speed of sound is `332 ms^(-1)`.

A source producing sound of frequency 170 Hz is approaching a stationary observer with a velocity 17 ms^(-1) . The apparnet change in the wavelength of sound heard by the observer is (speed of sound in air =340 ms^(-1))

A source producing sound of frequency 170 Hz is approaching a stationary observer with a velocity 17 ms^(-1) . The apparent change in the wavelength of sound heard by the observer is (speed of sound in air = 340 ms^(-1) )

A source producing sound of frequency 170 Hz is approachig a stationary observed with a velocity of 17ms^-1 . The apparent change in the wavelength of sound heard by the observer is (speed of sound in air = 340ms^-1 )

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 motor car is approaching towards a crossing with a velocity of 75 kmh^(-1) .The frequency of sound of its horn as heard by a policeman standing on the crossing is 260 Hz.What is the real frequency of the horn ? Speed of sound = 332 ms^(-1) .

A car has two horns having a difference in frequency of 180 Hz. The car is approaching a stationary observer with a speed of 60 ms^(-1) . Calculate the difference in frequencies of the notes as heard by the observer, If velocity of sound in air is 330 ms^(-1) .

A car has two horns having a difference in frequency of 180 Hz. The car is approaching a stationary observer with a speed of 60 ms^(-1) . Calculate the difference in frequencies of the notes as heard by the observer, If velocity of sound in air is 330 ms^(-1) .