Physical Optical Experimental Instrument (experim

Physical Optical Experimental Instrument Features: *High brightness and safety guarantee *Clear optical effects and good visiblity *Easy assembled Following experiments can be performed: 1.Single-slit diffraction 2.Circular hole diffraction 3.Rectangle hole diffraction 4.Square hole diffraction 5.Triangle hole diffraction 6.Experiment of Young's Double-slit interference 7.Triple-slit diffraction 8.Qudruple-slit diffraction 9.Single filament diffraction 10.Circular disk diffraction 11.Blade diffraction ModelJGY-C-4Lamp-housesemiconductor laserWavelength630 650nmOutput Power3mwWork Current35mAWork VoltageDC3VPower2pieces of 5#batteriesNet Weight300g