Saturday, 28 January 2023

Diffraction of light


 Diffraction of light using a laser going through a single pinhole in a piece of Aluminium foil. I like introducing a topic by demonstrating an effect or, better still, letting the students do their own demo and then letting them come up with an explanation of what is happening

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Flame Tests

 One of the students' favourite experiments are flame tests and then identifying an unknown material.