Author Question: If the speed of light in a sphere is 2 108 m/s, its index of refraction is A) 0.50. B) 0.67. ... (Read 30 times)

Melani1276 · **on:** Jul 29, 2018

If the speed of light in a sphere is 2 108 m/s, its index of refraction is

A) 0.50.
B) 0.67.
C) 1.0.
D) 1.5.
E) 2.0.

Question 2

To send a beam laser-light beam to a space station just above the atmosphere near the horizon, aim your laser

A) above your line of sight.
B) below your line of sight.
C) along your line of sight.