Lightning and thunder takes place in the sky at the same time and at the same distance from us . Lighting is sews 6 seconds before the thunder is heard . What is the hieght of the cloud ?
Open in App
Solution
speed of light in air=3*10^8m/s given time=6s Therefre distance form clound=height of cloud=speed*time =3*10^8*6 =1.8*10^9m