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

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

Lasers

get information about a laser (or maser)

HeNe laser

compare multiple lasers

ArF laser, KrF laser

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

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

Photography

do f-stop arithmetic

f-stop arithmetic 5.6

compute subject magnification

subject magnification 10m