Term | Definition |
Incident Ray | An incident ray of light that strikes a surface eg. a rare view mirror. |
Convex | Having an outline or surface curved like the exterior of a circle or sphere |
Retina | A layer at the back of the eye-ball that contains cells that are sensitive to light. |
Refraction | The fact or phenomenon of light, radio waves etc |
Sound energy | Energy produced by vibrating objects passed from atom to atom. |
Frequency | The number of crests of waves past a point or given time at the rate of which something travels. |
Transverse Wave | Like the waves you see in the ocean. Group down at 90* |
Concave | Having an outline or surface that curves inwards like the interior of a circle or sphere. |
Mirror | A surface usually made of glass, which reflects a clear image. |
Lenses | A piece of glass or another transparent material with curved sides for concentrating or dispersing light rays, used singly or with other lenses. |
Opaque | An object you can't see through eg. wood |
Visible spectrum | Visible to the human eye. a form of electromagnetic radiation. |
Prism | A solid geometric figure whose two ends are similar, equal and parallel rectilinear figure usually a quadrilateral. |
Wavelength | The maximum wavelength between the crest and the trough |
Light energy | The energy of electromagnet waves eg. microwaves, visible light. |
Kinetic Energy | A energy made by a moving objects motion eg. moving cars or biking |
Joules | The unit of energy created by James Prescott Joule |
Gravitational Potential Energy | Energy stored in a object due to it's height above the ground about to go into kinetic energy. |