wave - It is a disturbance in space., crest - It is the highest point in a wave., trough - It is the lowest point in a wave., amplitude - It is the distance from the midpoint to the highest (or , wavelength - It is the distance between two successive identical parts of , frequency - It refers to the number of waves produced in one second., range - It refers to the extent or the limits between which variation ,

Electromagnetic wave

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