Advertisements
Advertisements
प्रश्न
A person fires a gun while standing at a distance of 850 m from a building. If the speed of sound is 350 ms, calculate the time in which the person hears an echo of the gun flte.
संख्यात्मक
Advertisements
उत्तर
Speed of sound in air = 350 ms−1
∴ Time in which echo is heard,
t = `(2"d")/"v"=(2xx850"m")/(350"ms"^(-1))` = 4.86 s.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
