Light takes 8 min 20 sec to reach from sun on the earth. If the whole atmosphere is filled with water, the light will take the time `(._(a)mu_(w)=4//3)`

How much time it takes light to reach from sun to earth?

The time taken by light to travel from sun to earth is approximately

A star is 20 light years from the Earth How much time does it take for the light from the star to reach the Earth ?

It takes time 8 min for light to reach from the sun to the earth surface. If speed of light is taken to be 3 xx 10^8 m s^(-1) , find the distance from the sun to the earth in km.

Light takes 8 1//2 min to travel from the Sun to the Earth. The velocity of light is 3,00,000 km s^(-1) . Find the distance of the Sun from the Earth.

Light from the sun reaches the earth approximately in

Light from the sun reaches the earth approximately in