The test
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The test . . . Correct CID or lose 5 points No more than 3 papers stapled neatly to the answer sheet. Horizontally Polarized Light. Vertically Polarized Light. Diagonally Polarized Light. Circularly Polarized Light. Elliptically Polarized Light. Unpolarized Light. Polaroid.

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The test

The test . . .

  • Correct CID or lose 5 points

  • No more than 3 papers stapled neatly to the answer sheet


Horizontally polarized light

Horizontally Polarized Light


Vertically polarized light

Vertically Polarized Light


Diagonally polarized light

Diagonally Polarized Light


Circularly polarized light

Circularly Polarized Light


Elliptically polarized light

Elliptically Polarized Light


Unpolarized light

Unpolarized Light


Polaroid

Polaroid


The test

When unpolarized light of intensity Io is incident on a polarizer what is the intensity of the light that will be transmitted?

  • Io /2

  • Io /4

  • 2Io

  • zero

  • Depends on the angle of the transmission axis of the polarizer


The test

Unpolarized light of intensity I0 is sent through three polarizers, one after the other, which pass light polarized at 0, 45, and 90 degrees. What is the intensity of the light exiting the last polarizer?

A : 0

B : I0

C : I0 / 2

D : I0 / 4

E : I0 / 8


Matthew 20 30 34

MATTHEW 20:30-34

30. ¶ And, behold, two blind men sitting by the way side, when they heard that Jesus passed by, cried out, saying, Have mercy on us, O Lord, thou Son of David.

31. And the multitude rebuked them, because they should hold their peace: but they cried the more, saying, Have mercy on us, O Lord, thou Son of David.

32. And Jesus stood still, and called them, and said, What will ye that I shall do unto you?

33. They say unto him, Lord, that our eyes may be opened.

34. So Jesus had compassion on them, and touched their eyes: and immediately their eyes received sight, and they followed him.


Polarization by reflection brewster s angle

Polarization by Reflection - Brewster’s Angle


Fresnel coefficients polarizing sunglasses

Fresnel CoefficientsPolarizing Sunglasses


Brewster windows

Brewster Windows

image from http//www.jklasers.com/HeNe/HeNe_Laser_Report.htm


Other ways to affect polarization

Other Ways to Affect Polarization

  • Birefringence

  • Scattering

  • Optical Activity


The test

Cat’s eyes have pupils that can be modeled as vertical slits. At night, would cats be more successful in resolving

  • Two headlights on a distant car

  • Vertically separated lights on the mast of a distant boat

  • If the two sets of lights are the same distance away, the ability to resolve them would be the same.


Diffraction gratings resolving power means something different here

Diffraction Gratings (Resolving power means something different here)


Resolving power of a two slit pattern

Resolving Power of a Two Slit Pattern


Resolving power with n slits

Resolving Power with N Slits


Resolving power of a grating

Resolving Power of a Grating


Sign conventions in lens maker s equation

Sign Conventions in Lens Maker’s Equation


Exam review topics

Exam Review Topics

  • Reflection, Refraction, Snell’s Law, Total Internal Reflection, ray approximation

  • Images with mirrors, ray diagrams

  • Images with lenses, lens maker equation

  • The eye, glasses

  • Angular magnification, magnifying glasses, microscopes, telescopes

  • Interference, two slit interference pattern

  • Thin film interference

  • Diffraction, diffraction grating, resolving power of grating, resolving power of telescope, etc.

  • Polarization


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