Wave
A wave is a disturbance that propagates through space or spacetime, often transferring
energy. While a mechanical wave exists in a medium , waves of
electromagnetic radiation can travel through
vacuum, that is, without a medium. Waves travel and transfer
energy from one point to another, with little or no permanent displacement of the particles of the medium ; instead there are oscillations around fixed positions.
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Encyclopedia
A
wave is a disturbance that propagates through space or spacetime, often transferring
energy. While a mechanical wave exists in a medium , waves of
electromagnetic radiation can travel through
vacuum, that is, without a medium. Waves travel and transfer
energy from one point to another, with little or no permanent displacement of the particles of the medium ; instead there are oscillations around fixed positions.
