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

No comments:

Post a Comment

Can We Make Light Turn Back? From Refraction to Optical Fibres

  Can We Make Light Turn Back? From Refraction to Optical Fibres Put a pencil into a glass of water and it appears bent. Shine a narrow beam...