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Wave motion:
The movement of a disturbance from one part of a medium to another involving the transfer of energy but not the transfer of matter.
 
Wave period:
The time required for two successive crests or other successive parts of the wave to pass a given point.
 
Wave velocity:
The distance traveled by a wave in one second.
 
Wavelength:
"The distance between the two nearest points on a wave
 
Weight:
"The force with which a body is attracted towards the center of the earth. The weight of a body of mass m is given by mg
 
Weightlessness:
The state when the apparent weight of a body becomes zero.
 
Wien's displacement law:
"For a black body
 
Work:
Work is done when force acting on a body displaces it. Work = Force x Displacement in the direction of the force.
 

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