Q180
The speed of light will be minimum while passing through
A.
Water
B.
Vaccum
C.
Air
D.
Glass
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water and 200,000 kilometers per second in glass.