Light, Sound and Waves

Class practical: Students use a diffraction grating as a tool for observing the spectra from a variety of light sources.

Practical Activity 14-16

Class practical: Producing a simple spectrum by dispersion of light.

Practical Activity 14-16

Demonstration: Using a spectrometer to see absorption lines.

Practical Activity 14-16

Demonstration: Using a spectrometer to observe the absorption lines formed when white light passes through sodium vapour.

Practical Activity 14-16

Demonstration: Mixing coloured light and observing coloured objects in that light.

Practical Activity 14-16

Demonstration: Class demonstration of a spectrum, and the appearance of coloured objects in coloured light.

Practical Activity 14-16

Class practical: This is a recreation of Herschel’s experiment, published in 1800, in which he discovered infra-red radiation...

Practical Activity 14-16

Demonstration: A class demonstration of the spectrum.

Practical Activity 14-16

Class practical: Using prism, needle and sunlight to observe a spectrum.

Practical Activity 14-16

Demonstration: Observing the spectra from a variety of light sources.

Practical Activity 14-16

Demonstration: Using filters to produce coloured lights and observe coloured objects.

Practical Activity 14-16

This experiment can be used when introducing the electromagnetic spectrum. It shows that there is a form of radiation beyond...

Practical Activity 14-16