Recent content by allstar123

am i just supposed to add up the angle of incidence withe angle of refraction

light enters the side of an equilateral crown glass (1.62) prism at an angle of incidence of 35deg determin the angleof deviation after it has passed through the prism i don't know what equation I am supposed to use i got the angle of refraction into the glass that is 20.74deg but i don't...