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Planck's Constant Experiment

Planck's Constant Experiment

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Product Description

Planck's Constant Experiment

Introduction

Planck's Constant is used to demonstrate photoelectric effect and calculate Plancks constant according to Einsteins equation of photoelectric effect. It is a cost-effective teaching apparatus for physics laboratories at colleges and universities. 

Specification of  Planck's Constant Experiment

 

  • Cut-off wavelengths of color filters: Red-635 nm,Orange-570 nm, yellow-540 nm, Green-500 nm, Blue 460 nm.
  • Light source: 12 V/35 W Halogen Tungsten lamp.
  • Sensor: vacuum photo tube.
  • Dark-current: less than 0.003 A.
  • Precision of accelerating voltage: less than 2%.
  • Measurement error: approximately 10% as compared with literature value. 

Features:

 

  • Inbuilt power supply & photocell.
  • Different types of filters and LED.
  • Different types of wave length of all filters and LED.

 

 

 

   

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