(THIS IS AN ASSET QUESTION - NOT GRAVITATION CHAPTER)
A light year is the distance travelled by light in a year. If c*km/sec is the speed of light, the ratio (1 light minute/1 light second) is ______________.
(A) c*60 km
(B) c/60 km/sec
(C) 60
(D) 60/c years
The correct option is C 60
1 light minute/ 1 light second = 60