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wave basics
09/02/2023
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( 09/02/23 Wave Basics →waves transfer energy from one place to another without tra sferring matter.. →waves tranfer information and energy in the direction they're travelling. →when waves travel through a medium, the particles of th medium vibrate and transfer energy and information betwe en each other. → the particles stay in the same place crest kwavelength rest position Distance Tamplitude utive length trough Amplitude of a wave is the displacement from the rest positi- on to a crest or trough. Wavelength is the length of a full cycle of the wave. •Period of a wave. is the number of seconds for a full cycle. • Frequency is the number of complete cycles of the wave (Hz) measured in herk passing a certain point per second. This i 1Hz is I wave per second. Transverse waves меееееееее Sideways vibrations. → the vibrations are perpendicular (at 90°) to the direction the wave travels. Hall electromagnetic waves are transverse and water. Up and down vibrations locelle e еееееее Longlitudinal waves. ↳ vibrations are parallel to the direction travelling. they squash up and strech out making compressions and refractions. WAVE SPEED = FREQUENCY X WAVELENGTH
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