What is the angle of refraction?

Question

A ray of light traveling through air (refractive index exactly 1.0003) strikes the
surface of a transparent solid (refractive index exactly 2.5) at an incident angle of
exactly 0.7 radians. What is the angle of refraction?

 

I currently don't have any idea about the question. By the way, I want to get your helps. 

 

Regards!

Answer 1

Use Snells's Law of Refraction:

 

n·sin(θ) = n'sin(θ')

 

where:

• n = refractive index of the starting medium (air) = 1.0003
• θ = the angle of incidence = 0.7 radians
• n' = refractive index of the second medium (transparent solid) = 2.5
• θ' = angle of refraction in the second medium (transparent solid)

 

Plug in the numbers and solve for θ'.