At which wavelength does an LED emit light?

Article no. P1419201 | Type: Experiments

10 Minutes
10 Minutes
grades 10-13
medium
Pupils

Also part of:

Student set Optics / Atomic physics (special edition), TESS advanced Physics

Article no. 13286-88 | Type: Set

Delivery time: available
Student set Optics / Atomic physics, TESS advanced Physics

Article no. 15350-88 | Type: Set

Delivery time: available

Principle

In this experiment, for various LEDs (light emitting diodes) the wavelength is determined by means of a grating using the subjective method.

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

At which wavelength does an LED emit light? The wavelength is characteristic of the colour of the light. Determine the wavelength of LEDs by means of measurements and observations using a diffraction grating.

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At which wavelength does an LED emit light?
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