Lesson_4.6_Homework

# Lesson_4.6_Homework - Lesson 5.1 Homework 1 If light is...

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Lesson 5.1 Homework 1. If light is incident from air into water at an angle of incidence of 30 o , what is the angle of refraction in water if the refractive index of water is 1.33? 2. If light is incident from water into air at an angle of incidence of 30 o , what is the angle of refraction in air if the refractive index of water is 1.33? 3. The spiral galaxy in the Andromeda constellation is 2 × 10 19 km away from the earth. What is this distance in light years? 4. If the refractive index of water is 1.33 and that of glass is 1.5, find the speed of light in water and in glass. 5. A slab of glass with an index of refraction 1.5 is submerged in water with an index of refraction 1.33. If light enters from water into glass at an angle of incidence of 60 o , what is the angle of refraction in glass? 6. A slab of glass with an index of refraction 1.5 has a layer of water of refractive index 1.33 on it. What is the critical angle for light is incident on the glass water interface?

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Lesson_4.6_Homework - Lesson 5.1 Homework 1 If light is...

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