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chapter 4 l 1
Question | Answer |
---|---|
mechanical wave | a wave that travels only through matter |
electromagnetic wave | a wave that can travel through empty space or through matter |
transverse | a wave in which the disturbance is perpendicular to the wave travels |
longitudinal | a wave that makes the particles of a medium wave back |
frequency | the number of wavelengths that pass a point each second |
amplitude | the maximum distance a wave varies from its position |
refraction | the change in direction of a wave changes speed, moving from one medium into another |