Notifications
Clear all
Light Reflection and Refraction
1
Posts
2
Users
0
Likes
480
Views
0
15/08/2021 1:39 pm
Topic starter
Light enters from air into diamond which has a refractive index of 2.42. Calculate the speed of light in diamond. The speed of light in air is 3.0 × 108 ms-1.
1 Answer
0
15/08/2021 1:43 pm
Given:
Refractive index of diamond = 2.42
Speed of light in air = 3.0 × 108 m/s
We know that
Refractive index of diamond = \(\frac{speed\;of\;light\;in\;air}{Speed\;of\;light\;in\;diamond}\)
2.42 = \(\frac{3 \times 10^8}{Speed\;of\;light\;in\;diamond}\)
Speed of light in diamond = 1.239 x 108 m/s