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Online Physics Glossary
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Word Meaning Remarks
Calorimeter Device that isolates objects to measure temperature changes do to heat flow.
Candela Unit of luminous intensity.
Capacitance Ratio of charge stored per increase in potential difference.
Capacitor Electrical device used to store charge and energy in the electrical field.
Capillary action Rise of liquid in narrow tube due to surface tension.
Carnot efficiency Ideal efficiency of heat engine or refrigerator working between two constant temperatures.
Centripetal force Force that causes centripetal acceleration.
Chain reaction Nuclear reaction in which neutrons are produced that can cause further reactions.
Charged Object that has an unbalance of positive and negative electrical charges.
Charging by conduction Process of charging by touching neutral object to a charged object.
Charging by induction Process of charging by bringing neutral object near charged object, then removing part of resulting separated charge.
Chromatic aberration Variation in focal length of lens with wavelength of light.
Circular motion Motion with constant radius of curvature caused by acceleration being perpendicular to velocity.
Clock reading Time between event and a reference time, usually zero.
Closed, isolated system Collection of objects such that neither matter nor energy can enter or leave the collection.
 
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