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the return of light into the same medium after striking a surface is called reflection. ruchi
the maximum distance that a charged particle, as a proton, can penetrate a given medium and still maintain sufficient kinetic energy to produce ionization in the medium. Souce: http://dictionary.reference.com/browse/Range
The physics definition of period is the duration of one complete cycle of a wave or oscillation.
In physics, velocity is the measurement of the rate and direction of change in the position of an object.
Wikipedia gives you a good definition and a very large list of areas.There's also the "Simple English" wikipedia.They give a very short and good definition for Physics.See http://simple.wikipedia.org/wiki/Physics
the return of light into the same medium after striking a surface is called reflection. ruchi
the maximum distance that a charged particle, as a proton, can penetrate a given medium and still maintain sufficient kinetic energy to produce ionization in the medium. Souce: http://dictionary.reference.com/browse/Range
The physics definition of period is the duration of one complete cycle of a wave or oscillation.
Physics is the science of motion and does not have anything to do with economics.
standing wave
Physics
In physics, velocity is the measurement of the rate and direction of change in the position of an object.
All physics deals with energy and matter. In effect that is almost a complete definition of what Physics IS.
it is the branch of physics that deals with the structure and the behaviour of an atom is called atomic physics
The speed of light is not medium: in vacuum, it is the highest speed that there can be. Hardly a definition of medium!
A 'medium' can really be anything. In physics we usually talk about waves traveling through a medium, which basically means that waves are travelling through a material. We can probably just replace the words 'a medium' with 'something'. That 'something' can be anything. Air, water, glass, metal, rock; any of these could be a medium. The only thing that cannot be a medium is nothing, i.e. a vacuum. Side note: plural of 'medium' would be 'media'.
Wikipedia gives you a good definition and a very large list of areas.There's also the "Simple English" wikipedia.They give a very short and good definition for Physics.See http://simple.wikipedia.org/wiki/Physics