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Plancks Constant Apparatus (AE206)

Plancks Constant Apparatus (AE206)
Plancks Constant Apparatus (AE206)
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Product Code : AE 206
Brand Name : ASICO
Product Description

Planck`s Constant Apparatus (AE206)

Determining Planck`s Constant Using Photo Vacuum Tube illustrates the basic concept of the Quantum Mechanics. It helps to understand the phenomena of photon, its energy, frequency, etc. This product is mainly used to determine the fundamental constant of Quantum Mechanics called Planck`s constant. It is an effective and easy way to determine this constant. For the invention of Planck`s constant Max Planck is awarded by Nobel Prize in 1918. The setup consists of Photo Vacuum Tube, glass filters of different color, Variable DC Supply, digital voltmeter and ammeter. Using this setup we can also calculate the energy of photon. Planck`s constant relates the energy of light photons to their frequency.

Objective :

  • Determine the value of Planck's constant (h) by using stopping potential of different filters.
Technical Specifications :
  • Inbuilt Variable DC Regulated Power Supply
  • Output voltages : 0-1 VDC
  • On Board Digital Meters
  • Voltmeter : 0 - 2 VDC (Digital)
  • Ammeter : 0 - 200 Micro ADC (Digital)
  • Photocell mounted on wooden box having windows for injecting light and also for sliding the various filters.
  • Power requirement : 230 VAC 10%, 50Hz.
  • Weight : 1.5 Kg Approx.
Standard Accessories :
  • Three round filters of different colors (Red, Green & Blue).
  • Lamp holder with Sixty-watt bulb.
  • Power chord, Patch chords, Instruction manual.


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