Of-1 Diffraction Grating Spectrum (using white light)
Published: Wednesday 15 March 2006 - Updated: Monday 28 March 2011
Aim
To demonstrate the white light spectrum.
Apparatus
- Slide projector
- Diffraction grating
Diagrams
Click on pictures to enlarge.
|
Diff Grating Spectrum Diagram |
Description
A slide projector is directed towards the front of the lecture theatre. A diffraction grating with 15000 lines to the inch is mounted vertically in the beam producing a brilliant spectrum in the region shown.