Reflection and Refraction
About the Lecture
The lecture Reflection and Refraction by Jared Rovny, PhD is from the course Geometrical Optics.
Included Quiz Questions
What is the relation between the speed of light in a medium v and the index of refraction n of that medium?
- n = c/v
- n = c²/v²
- n = √c/√v
- nsinθ = c/v, with θ the refraction angle of light
- n = v/c
What happens to a beam of light when it hits the surface of water from air?
- Part of the light is refracted into the water and the rest is reflected at the same angle as it was incident.
- Part of the light is transmitted and the rest is reflected at twice the angle as it was incident
- All the light is transmitted into the water
- Part of the light is transmitted straight into the water without any bending and the rest is reflected at the same angle as it was incident
- Most of the light is reflected, but some light is transmitted at twice the angle as it was incident
What does it mean to say the incident angle of light equals the reflected angle?
- The angle between the normal to the surface and the incident ray is equal to the angle between the normal to the surface and the reflected ray.
- The angle between the incident ray and the reflected ray is always equal.
- The angle between the normal to the surface and the incident ray is equal to the angle between the surface and the reflected ray.
- The angle between the surface and the incident ray is equal to the angle between the normal to the surface and the reflected ray.
- The angle between the incident ray and the surface is always equal to the angle between the surface and the refracted ray.
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Author of lecture Reflection and Refraction
Jared Rovny, PhD
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