China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor
China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor Detail:
This Planck’s Constant is used to demonstrate photoelectric effect and calculate Planck’s constant by Einstein’s equation of photoelectric effect.
Specifications
Description | Specifications |
Cut-off wavelengths of color filters | 635 nm, 570 nm, 540 nm, 500 nm, 460 nm |
Light source | 12 V/35 W Halogen Tungsten lamp |
Sensor | vacuum phototube |
Dark-current | less than 0.003 µA |
Precision of accelerating voltage | less than ± 2% |
Measurement error | approximately ± 10% as compared with literature value |
Parts List
Description | Qty |
Main unit | 1 |
Filters | 5 |
Power cord | 1 |
Instruction manual | 1 |
Product detail pictures:
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