why light always travel in straight path
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Light is an electromagnetic radiation which does not pose any requirements of a medium to propagate. Light is a transverse wave, which means that it oscillates perpendicular to the direction of propagation.
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yes it is always travel in straight path. as in concave mirror the focus point always collect the light and makes a focus length.same as in convex mirror at behind of mirror the focus point always collect the light rays and make the focal length.and in both mirrors that straight is always on straight path. so this is your answer. hope it is clear.mark the answer as brainliest
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