Question

It takes a time 8 minute for light to,reach from the sun to the earth surface.if speed of light is taken to be 3*10^8 m^-s ,find the distance from sun to,the earth in km.

Answer 1

d=s*t

d=8*60*3*10^8

d=1440*10^8 m

d=1.44*10^8 km