J14.03.12 Hand-Held Polarizing Demo.
Use polaroid film to make polarizer, and then use it to show the polarized phenomenon of light so as to know about tyhe polarization of light and the quality of light wave.
There is one polarizer and one analyzer with the diameter of Φ70mm and light caliber of Φ36mm.The polarizer has the readings of 0-360°(10°each) and there is a hole on the analyzer.