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Diffraction at a grid

Diffraction at a grid

Item no.: P1069700

Difficulty Expenditure of Time print
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Principle

Once it has been recognised in lessons that light can be reflected and refracted just like water waves, the question poses itself of whether light has wave character. If it does, then it must be possible to demonstrate interference phenomena as with water waves.
 
This experiment on diffraction at an optical grating provides a convincing proof of the interference properties of (visible) light and hence of its wave character.

Benefits

  • Multifunctional light box - All-in-one: Can be used for geometric optics on the table, colour mixing and on an optical bench
  • Extension with others sets at anytime, no additional light sources needed, recognition value for students

Tasks

Investigate the phenomena occurring when a light beam passes through an optical grating.

Document     Filesize
p1069700e.pdf Experiment guide, English 232.61 KB

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