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Technical data

How are the energy and the colour of light connected?

Item No. P1418001

Principle

According to the findings of quantum physics, the energy of electromagnetic radiation (light) occurs only at discrete values. As a fundamental natural constant, Planck's constant h describes the increments of this energy gradation of light.

Benefits

  • Specified for the requirements of the german final secondary-school examinations
  • Especially for secondary schools
  • Quantum and wave optics in a student experiment

Tasks

Determine Planck's constant h by measurements and observations of light-emitting diodes.


Scope of supply

LED - blue, with series resistor and 4 mm plugs 09852-40 1
LED - UV, with series resistor and 4 mm plugs 09852-50 1
LED - green, with series resistor and 4 mm plugs 09852-30 1
LED - red, with series resistor and 4 mm plugs 09852-20 1
LED - IR, with series resistor and 4 mm plugs 09852-10 1
Stray light tube for LED, Di = 8 mm, l = 40 mm 09852-01 1
PHYWE Digital multimeter, 600V AC/DC, 10A AC/DC, 20 MΩ, 200 µF, 20 kHz, −20°C…760°C 07122-00 2
PHYWE Power supply, 230 V, DC: 0...12 V, 2 A / AC: 6 V, 12 V, 5 A 13506-93 1
Connecting cable, 32 A, red, various lengths 07362-01 3
Connecting cable, 32 A, blue, various lengths 07362-04 2
 
PHYWE Systeme GmbH & Co. KG
Robert-Bosch-Breite 10 – 37079 Göttingen – Germany
www.phywe.com
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