U.+Texas

=U. Texas problem sets=
 * Waves basics
 * Wave phenomena (Doppler effect, interference, polarization, resonance, etc.)
 * Advanced waves
 * Ray optics (reflection, refraction)
 * Optical devices (lens, etc.)
 * Light ant color (EM spectrum?)
 * Sound
 * Energy basics
 * Energy and Power generation
 * Advanced topics?