Summary: My LO tests the ability to draw an optical wave under the guidance of Huygen’s Principle. The LO features a hand-written question requiring the answer in form of a drawing. Students are required to draw a spherical wave, following Huygen’s procedure, with 4 wavefronts.

https://blogs.ubc.ca/phys101/files/gravity_forms/1-72f8f8fec225ededbd95c074100f3d9f/2015/03/20150315_204012.jpg