When does light travel in a straight line?

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

Why does light travel in a straight line? - Quora

If a photon travelled in a straight line for 10 years, how far

Do we see time as a straight line? If not, then what form is it

Can light bend during its travel? Can it be made to travel back to

DBSJP Year 6 on X: Does light travel in straight lines? We did

Electromagnetic Waves and Light - ppt video online download

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

Explain with the help of an activity that light travels in a

Light travels in straight lines outwards from its source — Science

Why does light take the path of least distance? - Quora

Light Travels in a Straight Line

Electromagnetic Waves and Light - ppt video online download

Do we see time as a straight line? If not, then what form is it