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Principle
In order to assess the spectral resolving power of an optical grating we utilize the quotient a/0~,. This quotient can only be determined accurately if we can create a line spectrum containing lines at suitable distance &. apart. However, even with fairly simple means it is possible to arrive at statements an the spectral resolving power of a grating which are sufficiently informative for school pupils.
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 to what extent the resolving power of a grating depends
- on the number of active grating slits and
- on the order of the diffraction spectrum.
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Digital learning
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