Photoelectric Effect Planck Constant Experimental Instrument
Product Overview
This experimental system is designed to determine Planck’s constant using the photoelectric effect. By measuring the stopping potential corresponding to different frequencies of incident light, users can establish the relationship between light frequency and photoelectron energy.
The collected data can be used to plot a stopping potential versus frequency graph and perform linear analysis. From the slope of the resulting line, Planck’s constant can be calculated, providing a practical demonstration of quantum theory and the photoelectric effect.
Applications
- Photoelectric effect investigation
- Measurement of stopping potential
- Determination of Planck’s constant
- Frequency-dependent photoelectric analysis
- Verification of quantum theory concepts
- Data acquisition and curve fitting
- Linear regression analysis
- Fundamental optical and quantum physics experiments
Technical Specifications
Main Unit :
- Compact integrated structure with optimized component arrangement
Light Source :
- High-pressure spectral lamp with dedicated power supply
Optical Filters :
- Filter set with 5 selectable wavelength filters
Aperture :
- 4 mm diameter
Photoelectric Detector :
- High-sensitivity photocell
Measurement Controller :
- Multifunction test and control unit with adjustable operating parameters
Cooling System :
- DC-powered cooling fan
Optional Accessories
- Spare Light Source
- Computer System
- Additional Data Processing Accessories
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