How much time it would take to count the starts in the sky |Space Facts In Hindi | #shorts

How much time does light take to reach us from the sun ?

How much time will light take to cross 2 mm thick glass pane if refractive index of glassis 3//2 ?

A body sliding on a smooth inclined plane requires 4s to reach the bottom, starting from rest at the at the top. How much time does it take to cover ont-foruth the distance startion from rest at the top?

A train starts at 7:40 A.M.and reaches its destination at 2:15 P.M.How much time it will takes to complete its journey.Find out the journey time interval.

A stone is thrown up from the top of a tower and it takes time t_(1) to reach the ground. A second stone is thrown down with the same speed and it takes time t_(2) to reach the ground . How much time a third stone would take to reach the ground, if it is dropped down?

By how much time day would have been shorter if the earth had no atmosphere ?