32. Diffraction

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Learning Objectives

  • To observe diffraction effects with visible light and with microwaves, and to understand why that implies that light is a wave phenomena.
  • To understand how diffraction sometimes produces maxima and sometimes produces minima.
  • To be able to calculate the regions of constructive and destructive interference due to diffraction from a single slit.


Course Notes

Read through the course notes.  The course note files may also contain links to associated animations or interactive simulations. 

Interference and Diffraction (PDF)

Learning Activities

Guided Activities

Read through the class slides. They explain all of the concepts from the module.

Slides (PDF)


Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems.

Concept Questions

Concept Questions (PDF)

Solutions (PDF)

Challenge Problems

Challenge Problems (PDF)

Solutions (PDF)


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