A ray of light travels through air until it strikes the interface between the air and another medium. The incident ray makes an angle of 0₁ = 39.0° with the normal, as shown in the figure below. Upon passage into the second medium, the ray is refracted, emerging from the interface at an angle 0₂ with respect to the normal. Air Second medium i (a) Suppose that the second medium is fused quartz. What is the angle of refraction, 0₂ (in degrees)? (Enter your answer to at least one decimal place.) (b) Suppose that the second medium is polystyrene. What is the angle of refraction, 02, in this case (in degrees)? (Enter your answer to at least one decimal place.) (c) Finally, suppose that the second medium is ethyl alcohol. What is the angle of refraction, 02, in this case (in degrees)? (Enter your answer to at least one decimal place.)
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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shown in the figure below. Upon passage into the second medium, the ray is refracted, emerging from the interface at an angle 02 with respect to the normal.
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0₁
(a) Suppose that the second medium is fused quartz. What is the angle of refraction, 02 (in degrees)? (Enter your answer to at least one decimal place.)
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Air
Second
medium
(b) Suppose that the second medium is polystyrene. What is the angle of refraction, 02, in this case (in degrees)? (Enter your answer to at least one decimal place.)
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(c) Finally, suppose that the second medium is ethyl alcohol. What is the angle of refraction, 02, in this case (in degrees)? (Enter your answer to at least one decimal
place.)"
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