Home > Electronic Tutorials > Online Physics Glossary / Terms / Dictionary Definitions > O

Online Physics Glossary / Terms / Dictionary

Physics Definitions Start from O

Optical Radiation - Electromagnetic radiation (light) that is visible to the human eye.

Orbital Period - The amount of time it takes a spacecraft or other object to travel once around it's orbit.

Object - Source of diverging light rays; either luminous or illuminated.

Octave - Interval between two frequencies with a ratio of two to one.

Ohm - SI unit of resistance; one volt per ampere.

Ohm’s Law - Resistance of object is constant, independent of voltage across it.

Opaque - Material that does not transmit light.

Open-Pipe Resonator - Cylindrical tube with both ends closed and a sound source at one end.

Note: To report broken links or to submit your projects please send email to Webmaster