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China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor

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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

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China Wholesale Plancks Constant Factory –  LADP-15 Apparatus for Determining Planck’s Constant – Basic Model – Labor detail pictures


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