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China Wholesale Waveguide Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor Featured Image
  • China Wholesale Waveguide Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor

China Wholesale Waveguide Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor

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China Wholesale Waveguide Manufacturers – LADP-16 Apparatus for Determining Planck’s Constant – Advanced Model – Labor Detail:

Planck’s Constant Experimental System applies the photoelectric effect to measure the current-voltage (I-V) characteristic curves of a photocathode against monochromatic light at different frequencies.

Experiment Examples

1. Measure I-V characteristic curve of a photoelectric tube

2. Plot U- curves

3. Calculate the follows:

a) Planck’s constant h

b) Cut-off frequency ν of cathode material of a photoelectric tube

c) Work function Ws

d) Verify Einstein’s equation

Specifications

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Specifications
Light Source Tungsten-halogen lamp: 12V/75W
Spectral Range 350~2500nm
Grating monochromator
Wavelength range 200 ~ 800nm
Focal length 100mm
Relative aperture D/f = 1/5
Grating 1200l/mm  (blazed@500nm)
Wavelength accuracy ±3nm
Wavelength repeatability ±1nm
Photoelectric Tube
Working voltage -2~ 40V continuously adjustable, 3-1/2 digital display
Spectral range 190~700nm
Peak wavelength 400±20nm
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