Practice Refraction Through A Rectangular Glass Slab (9.3.1) - Light

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8 questions

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6 sample questions

Question 1.
What is refraction?
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Think about how light behaves in water.
Question 2.
What does the normal line represent?
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It's not related to temperature!
3Question 3.
What happens to light as it passes from air into glass?
- Bends towards the normal
- Bends away from the normal
- Remains straight
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Think about how light behaves in different densities.
4Question 4.
True or False: The angle of incidence is always equal to the angle of refraction.
- True
- False
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Consider the nature of the media.
Question 5.
A light ray traveling at an angle of incidence of 45° hits water (n=1.33). Calculate the angle of refraction.
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Use trigonometric identities to solve for sin(r).
Question 6.
Explain how the design of sunglasses utilizes the principle of refraction.
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Think about how lenses shield and direct daylight.

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