Question

Which statement correctly compares the speed of light?

The speed of light through space is much greater than 3 x 108 m/s.
The speed of light in glass is much greater than 3 x 108 m/s.
The speed of light in glass is faster than the speed of light through space.
The speed of light in glass is slower than the speed of light through space.

Answer 1

D

Step-by-step explanation:

Answer 2

The speed of light in glass is slower than the speed of light through space.

Step-by-step explanation:

Glass is more dense than space therefore speed of light slows down.