why light travels in straight line
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Answer:Brainlies plsssss????
Firstly I would discuss a very basic principle, why do we see anything. We see anything because light is reflected from it .
Ok now if I assume that light travels in a straight line, then why are we able to see objects kept in our houses in a day time without using bulbs. Simply because light is being reflected from them. And where does this light come from. It comes from sun. But sun rays do not enter our whole house , then how do we see everything. That is where the answer lies.
Light has a dual nature. It travels both in the form of rays and waves. And the biggest misconception is that sun emits sun rays. But the fact is sun emits waves.
So the conclusion is light does travel in the form of waves and rays. And light or anything in this world travels in a straight line if we see between the distance infinitesimally small. Even on the periphery of circle there is a distance which is straight.
Explanation: