When does light travel in a straight line?

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3 Ways to Prove That Light Travels in a Straight Path - wikiHow

3 Ways to Prove That Light Travels in a Straight Path - wikiHow

Electromagnetic Waves and Light - ppt video online download

11 WHY DOES LIGHT TRAVEL IN A STRAIGHT LINE

Light Travels In a Straight Line: Videos, Concepts, Lightwave

How do we know that light travels in straight lines through space

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What would happen if light didn't travel in a straight line? - Quora

Why light travels in a straight line - Experiment, Examples - 88Guru

Properties of light - Properties of light Light travels in a

TWO-SPLIT-EXCEPT - Manthan