Scottish Sensory Centre
The incident ray of light is always from a light source. It comes to a flat surface of any material.
© All SSC BSL Glossary videos are Intellectual property of University of Edinburgh and cannot be used elsewhere without express permission of the Head of the Scottish Sensory Centre, Prof John Ravenscroft
Scottish Sensory Centre, Moray House School of Education,
University of Edinburgh, Holyrood Road, Edinburgh EH8 8AQ