School of Physics Lecture Demonstration Manual

Spectrum & Colours

Of-1 Diffraction Grating Spectrum (using white light)

Published: Wednesday 15 March 2006

To demonstrate the white light spectrum.

Of-2 Spectral Sources (1)

Published: Wednesday 15 March 2006

To demonstrate emission spectra.

Of-3 Spectral Sources (2)

Published: Wednesday 15 March 2006

To demonstrate the spectrum of various sources using a spectrometer.

Of-4 Absorption Spectrum of Sodium

Published: Wednesday 15 March 2006

To demonstrate that sodium vapour absorbs strongly at a wavelength equal to its characteristic emission lines.

Of-5 Spectra of Salts (Flame Test)

Published: Wednesday 15 March 2006

To demonstrate the characteristic spectra emitted by various salts.

Of-6 Colour Addition

Published: Wednesday 15 March 2006

To demonstrate the laws of colour addition.

Of-7 Absorption Lines of Sodium

Published: Wednesday 15 March 2006

To demonstrate that sodium vapour absorbs wavelengths equal to its emission spectra.

Of-8 Infra-Red Spectrum using an IR camera

Published: Tuesday 05 June 2007

To demonstrate that the spectrum extends past the visible to the infra red.

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