Light Travel Time from Moon to Earth · PhysicsBowl 2011 #21
Physics · optics
Problem
Which one of the following choices best represents the time it takes for light coming from the Moon's surface to reach the Earth?
(A) 0.001 s
(B) 0.10 s
(C) 1.0 s
(D) 10.0 s
(E) 1 minute