Physics1C_Chapter33_part2

# Physics1C_Chapter33_part2 - CHAPTER 33 THE NATURE AND...

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CHAPTER 33 THE NATURE AND PROPAGATION OF LIGHT PART 2 Vah é  Peroomian

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EXAMPLE 10 The index of refraction for violet light in silica flint glass is 1.66, and that for red light is 1.62. What is the angular spread of visible light passing through a prism of apex angle 60.0° if the angle of incidence is 50.0°?
EXAMPLE 12 You use a sequence of ideal polarizing filters, each with its axis making the same angle with the axis of the previous filter, to rotate the plane of polarization of a polarized light beam by a total of 45.0°. You wish to have an intensity reduction no larger than 10.0%. (a) How many polarizers do you need to achieve your goal? (b) What is the angle between adjacent polarizers?

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POLARIZATION BY REFLECTION Light can be polarized by reflection if its angle of incidence is tan q p = n b n a
POLARIZATION BY REFLECTION Even if polarization is not complete, light is reflected most strongly with a linearly polarized component.

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EXAMPLE 13 The critical angle for total internal reflection for sapphire surrounded by air is 34.4°. Calculate the polarizing angle for sapphire.
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