A bat flies perpendicularly towards a wall with a speed of 6 m/s, emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear? Given `c=340(m)/(s)`?

A bat flies perpendicularly towards a wall with a speed of 6 m/s, emitting sound of frequency 450 kHz. What is the frequency of the wave reflected from the wall that it will hear? Given c=340m//s ?

An engine driver moving towards a wall with velocity of 50m/s emits a note of frequcency1.5kHz. The frequency of note after reflection from the wall as hear by the engine driver when speed of sound in air is 350m/s is

An engine driver moving towards a wall with velocity of 50m/s emits a note of frequcency1.5kHz. The frequency of note after reflection from the wall as hear by the engine driver when speed of sound in air is 350m/s is

A drone fitted with siren in flying directly away from the drone operator and towards a distant building at a speed of 15 m/s. The siren produces sound of frequency 780 Hz. What is the frequency that the operator hears in the echo reflected that the operator hears in the echo reflected from the building . [ Speed of sound is 340 m/s. ]

A drone fitted with siren in flying directly away from the drone operator and towards a distant building at a speed of 15 m//s . The siren produces sound of frequency 780 Hz. What is the frequency that the operator hears in the echo reflected from the building (Speed of sound is 340 m//s ).

A sound wave travels at a speed of 340 m/s. If its wavelength is 2 cm, what is the frequency of the wave ? Will it be in the audible range ?

An engine driver moving towards a wall with a velocity of 60 m//s emits a note of 1400 Hz. Speed of sound in air is 340 m//s . The frequency of the note after reflection from the wall as heard by the engine driver is

An engine driver moving towards a wall with a velocity of 60 m/s emits a note of 1400 Hz. Speed of sound in air is 340 m/s .The frequency of the note after reflection from the wall as heard by the engine driver is