Title: Describe how light can be represented by waves.
Course: Principles of Technology II (03153-II) > Section: UNIT 13: LIGHT and OPTICAL SYSTEMS

Description should include the difference between

- shadows caused by light rays and by light waves
- wave interference and diffraction
- constructive and destructive interference.

Process/Skill Questions:

- What is meant by wave interference?
- What is the difference between constructive and destructive wave interference?
- How is an interference fringe pattern created?
- What is diffraction?
- What is collimated light?
- What is a diffraction grating?
- What happens when you illuminate a DVD with a laser?