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Online Physics Glossary
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Word Meaning Remarks
Spherical aberration Inability of spherical mirror to focus all parallel rays to a single point.
Standing wave Wave with stationary nodes.
Static friction Force that opposes start of motion between two surfaces.
Step- down transformer Transformer with output voltage smaller than input voltage.
Step- up transformer Transformer with output voltage larger than input voltage.
Stimulated emission Emission of photon from excited atom caused by impact fo photon of same energy.
Strong nuclear force Force of very short range that holds neutrons and protons in nucleus together.
Superconductor Electrical conductor that has no resistance and low temperatures.
Surface wave Wave on surface of liquid with characteristics of both longitudinal and transverse waves.
Symmetry Property that is now charged when operation or reference frame is charged.
Synchrotron Device to accelerate particles in which particles move in circular path.
System Defined collection of objects.
Tangent The ratio of the opposite side and the adjacent side.
Temperature Measure of hotness of object on a quantitative scale. In gases, proportional to average kinetic energy of molecules.
Terminal velocity Velocity of falling object reached when force of air resistance equals weight.
 
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