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. (Plancks Constant Apparatus)