Physics
How is the critical angle related to the refractive index of a medium?
Refraction Plane Surfaces
85 Likes
Answer
Knowing the refractive index of the denser medium with respect to the rarer medium, we can calculate the critical angle C for that pair of medium with the help of the relation
Answered By
46 Likes
Related Questions
In the process of total internal reflection, …………… of energy (or intensity) of light is reflected back.
- 70%
- 80%
- 100%
- 50%
Out of violet, blue, yellow and red, the critical angle would be the least for …………… light for a pair of media.
- violet
- blue
- blue
- yellow
State the approximate value of the critical angle for
(a) glass-air surface
(b) water-air surface.
A light ray is incident from a denser medium on the boundary separating it from a rarer medium at an angle of incidence equal to the critical angle. What is the angle of refraction for the ray?