230k views
4 votes
A jeweler is determining the optical properties of an unknown blue gemstone. She uses an angle of incidence of 62°, and measures an angle of refraction of 30°. Assuming the index of refraction of air is 1.0, what is the index of refraction of the gem?

User Jadamec
by
5.1k points

2 Answers

5 votes

Answer:

1.77

Step-by-step explanation:

User Zamnuts
by
5.0k points
3 votes

Answer:

n = 1.76

Step-by-step explanation:

According to the rule of ( n1 sin theta1 = n2 sin theta2 )

we know both angles so we insert them to the law and apply n1 = 1

so 1/2 = n2 sin 62 and we get the final answer

User TomGeo
by
5.2k points