Physics
# Optics

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Reflection & Refraction

compute refractions using Snell's law

Snell's law
do a Fresnel's law computation

Fresnel's law
compute refraction of light in a prism

refraction in a prism
do computations using the thin lens equation

lens, f=20ft, o=400ft
explore image reflection in a convex mirror

convex mirror
diverging mirror with a focal length of 2m and an object at 3m
explore image reflection in a concave mirror

converging mirror with a focal length of 50mm
concave mirror with magnification of 2 and an object at 2m
calculate the height of a rainbow

altitude of a rainbow
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Diffraction

compute a diffraction pattern for a single slit

single slit diffraction d=1/16 inch, lambda=200nm
compute a diffraction pattern for a circular aperture

circular aperture a=0.2mm, lambda=650nm
explore the diffraction pattern and maxima for multiple slit diffraction

4-slit diffraction with slit width 0.05 mm
get information about a laser (or maser)

HeNe laser
compare multiple lasers

ArF laser, KrF laser
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Refractive Indices

calculate the refractive index of humid air

refractive index of moist air
determine the refractive index of solid and liquid water

refractive index ice -20C
refractive index of water, wavelength=400nm
look up the refractive index of a material

refractive index of natural diamond
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Absorption

find a UV cutoff wavelength for a chemical

benzene absorbs light up to what wavelength
compute with the Beer-Lambert law

Beer-Lambert formula
do f-stop arithmetic

f-stop arithmetic 5.6
compute subject magnification

subject magnification 10m