Colour Filters for Plancks Constant Apparatus

Uses Sb- Cs Photoconductive Cell, Which Works On Uv - Visible Light Spectrum Range. Plancks Constant Can Be Completed By Finding The Reverse Potential Applied To Make Photo Cell Current Zero. A Aperture Provided For Light Of Different Colors (Wave Long The) Incident On Photo Cell. Bnc Socket Provided For Connecting To Picometer. Picometer (Cat. No. 1091926) Available Separately. (Set Of 9 Color Filters Specially Used With The Plancks Constant Apparatus (1110850/1) Colour Wave Length Green 510 – 560 Nm Orange 570 – 620 Nm Deep Blue 430 – 480 Nm Violet 380 – 450 Nm Red 620 – 670 Nm Blue 440 – 490 Nm Blue Green 470 – 520 Nm Yellow Green 530 – 570 Nm Orange 575 – 610 Nm)