Light is an electromagnetic wave. Light travels in a straight line. Light is a transverse wave, and does not need any medium to travel. Light can travel through vaccum.
Light is an electromagnetic wave. Light travels in a straight line. Light is a transverse wave, and does not need any medium to travel. Light can travel through vaccum
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Light is an electromagnetic wave. Light travels in a straight line. Light is a transverse wave, and does not need any medium to travel. Light can travel through vaccum.
Light is an electromagnetic wave. Light travels in a straight line. Light is a transverse wave, and does not need any medium to travel. Light can travel through vaccum