Demonstration: A ray of light bends as it passes through a region of changing refractive index.
Demonstration: Investigating the formation of real images.
Demonstration: A set of experiments to introduce real and virtual images formed by a convex lens.
Demonstration: A light ray can be seen in water coloured with fluorescein.
Demonstration: Shows rays forming an image in the smoke with a lens and a mirror, as well as the effects of chromatic and...
Demonstration: Shadows form on a screen when objects interrupt the light from a lamp.
Class Practical: Making rough measurements to check the validity of a lens formula.
Class practical: A model camera using lamps, to investigate depth of field and magnification.
Class practical: A group of short, introductory experiments to investigate the behaviour of concave and convex lenses using...
Class practical: More introductory experiments investigating the behaviour of concave and convex lenses with rays of light.
Class practical: A simple model of a camera, demonstrating image formation, focus and the effect of aperture on depth of field...
Class practical: Using a lamp to model the passage of rays through a microscope.
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