Light strikes a diamond (n = 2.42) at an angle of 60 relative to ...

[wenmo]

Light strikes a diamond (n = 2.42) at an angle of 60 relative to the normal to the surface. What is the angle of refraction?
 a. 21
  b. 30
  c. 38
  d. 69
  e. 71

Question 2

An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the carbon tetrachloride is 20, what is the angle of refraction into the air?
 a. 20
  b. 30
  c. 38
  d. 69
  e. 26

[vish98]

Answer to Question 1

A

Answer to Question 2

B

[wenmo]

Thanks for the timely response, appreciate it

[Dnite]

Excellent