1. Sunlight is allowed to pass through two pieces of stained glass: the first is

Question

1. Sunlight is allowed to pass through two pieces of stained glass: the first is called "yellow", the second is called "magenta". If a person looks towards the Sun through BOTH pieces of glass, what color would the Sun appear to be? (Make sure to justfy your answer with an explanation!)

2.The index of refraction for water is about 1.3. If a light wave moving through the air strikes a surface of water at an angle of 35 degrees (measured to the normal), what angle will the ray have to the normal when it enters the water? (Assume the n value of air is 1)

Explanation / Answer

n1sina1=n2sina2

we know refractive index of air is 1

that is n1=1, a1 is given=35 degrees, n2=1.3

we can find a2, angle with water

angle of bend=90-a2

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