What will be the wavelength of sound when the source of sound is moving towards the stationary observer ?

What will be the wavelength of sound when the source of sound is movin

1.	What will be the wavelength of sound when the source of sound is moving towards the stationary observer ?
Answer» SOLUTION :`lambda =(v-v_(s))/( f_(0))` .i.e., the wavelength of SOUND INCREASES.