Light, Sound and Waves

Big Idea: Waves carry information without causing a permanent change on the intervening medium. More info...

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Diffraction Grating
Light, Sound and Waves PRACTICAL PHYISCS

Coarse diffraction grating

Class Practical: A diffraction pattern showing bands of colour produced from white light.

Practical Activity 14-16

Ray Diagrams
Light, Sound and Waves PRACTICAL PHYISCS

Experiments with a fan of rays

Class practical: A group of short, introductory experiments to investigate the behaviour of concave and convex lenses using...

Practical Activity 14-16

Refraction
Light, Sound and Waves PRACTICAL PHYISCS

Refraction in a tank of water

Demonstration: Refraction at an air-water interface and total internal reflection.

Practical Activity 14-16

Single-Slit Diffraction
Light, Sound and Waves PRACTICAL PHYISCS

Diffraction of a plane wave by multiple gaps

Demonstration: This ripple tank experiment models the action of a diffraction grating.

Practical Activity 14-16

IOP DOMAINS Physics CPD programme

Electricity CPD videos

Our new set of videos gives teachers and coaches of physics a preview of the training we offer ahead of this term's live support sessions.

Find out more