A beam of light hits the boundary between glass (n=1.52) and an unknown material at an angle of 42o relative to the normal. The reflected and refracted rays make an angle of 88o with respect to one another. Instructions 1Draw a sketch of this situation. Make sure all quantities are clearly labeled. 2Sketch a ray diagram with all relevant angles labeled properly. 3Determine the index of refraction of the unknown material. Show all of your work and explain your thought process in words. 4Evaluate your solution. Explain how you know whether your answer is reasonable or not.
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
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A beam of light hits the boundary between glass (n=1.52) and an unknown material at an angle of 42o relative to the normal. The reflected and refracted rays make an angle of 88o with respect to one another.
Instructions
1Draw a sketch of this situation. Make sure all quantities are clearly labeled.
2Sketch a ray diagram with all relevant angles labeled properly.
3Determine the index of refraction of the unknown material. Show all of your work and explain your thought process in words.
4Evaluate your solution. Explain how you know whether your answer is reasonable or not.
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