State the speed of light in:
(a) air
(b) water and
(c) glass.
43 Likes
(a) The speed of light in air is 3 x 108 m s-1.
(b) The speed of light in water is 2.25 x 108 m s-1.
(c) The speed of light in glass is 2 x 108 m s-1.
Answered By
29 Likes
Which is optically denser: water or air? Give reason.
Out of air and glass, which is optically rarer? Give reason.
What do you understand by refraction of light?
How does the speed of light determine the optical density of a medium?