Refraction (Quiz) Flashcards
What is refraction?
Bending of light when an object from from one medium to another
What is the normal?
The spot where light hits a substance and refracts
What is the index of refraction?
A ration between speed of light in a vacuum to the speed of light in another midium
Equation for index of refraction?
N=C/V
Formula for snells law?
N1(sinO1) = N2(sinO2)
What can you find w/snells law?
angle of light, index of refraction
what is the importance of snells law?
it is used for lenses in various optical devices (glasses, telescope microscope)
Explain pencil in water
When the pencil is inserted, the light travelling form air to water bends when changing medium. Our eyes see a distorted image due to the bending.