ANSWER ALL PARTS A ray of light travels from air into another medium, making an

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ANSWER ALL PARTS

A ray of light travels from air into another medium, making an angle of theta 1 = 45.0 degree with the normal as in the figure below. Find the angle of refraction theta 2 if the second medium is fused quartz. (The index of refraction for fused quartz is 1.458.) Find the angle of refraction theta 2 if the second medium is carbon disulfide. (The index of refraction for carbon disulfide is 1.628.) Find the angle of refraction theta 2 if the second medium is polystyrene. (The index of refraction for polystyrene is 1.49.)

Explanation / Answer

Sin i/Sin r=n

Sinr=Sin i/n

a)r=29 degrees

b)r=25.7 degrees

c)r=28.3 degrees

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