Author Question: A light ray in water passes into air. The angle of incidence in the water is 40. What is the angle ... (Read 690 times)

joesmith1212 · **on:** Jul 27, 2018

A light ray in water passes into air. The angle of incidence in the water is 40. What is the angle of refraction in air if the index of refraction of water is 1.33?

A) 59
B) 0.59
C) 40
D) 1.33
E) 29

Question 2

The East African rift zone was formed by

A) two pieces of continental crust separating
B) two pieces of oceanic crust colliding
C) two pieces of continental crust colliding
D) pieces of oceanic and continental crust colliding