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Snell's Law and Critical Angles
1. A light wave traveling in air passes into the water in a swimming pool at an angle of incidence of 25°. Calculate the angle of refraction of the light in water.
2. Light entering a block of glass at an angle of incidence of 20.5° leaves the boundary between the air and the glass at an angle of 14.0°. What is the index of refraction of this type ofglass?
3. Light is incident on diamond at an angle of 10.0°. If the refractive index of a diamond is n=2.4175, at what angle will itrefract in the diamond?
4. A transparent material has a refractive index of 1.35. What is the angle of incidence in air when the angle of refraction in the substance is40°?
5. What is the index of refraction of a material if the angle of incidence in air is 40° and the angleof refraction in the material is 30°?
Attachment:- Snell Law and Critical Angles.rar
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