How light travels in a straight line and gets reflected from a mirror
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light travels in straight line because we know that it has fastest seed yet known that it choose fastest way to travel in a given medium that only straight line is the fastest way so it travels in it .
when light travels in its way an obstacle such a reflecting or shining surface occurs it bouncing back and goes into another direction which is its property so we say ,it gets reflect back.
when light travels in its way an obstacle such a reflecting or shining surface occurs it bouncing back and goes into another direction which is its property so we say ,it gets reflect back.
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