Light travels in straight lines outwards from its source — Science Learning Hub

Light is produced by a source and travels outwards from the source in straight lines and all directions at 300,000 km/s.

Radiation — Science Learning Hub

What home experiment can be done to show that light travels in a

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

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

Light and shadows — Science Learning Hub

Light and shadows — Science Learning Hub

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

How do we know that light travels in straight lines? - Quora

Light travels in a straight line

Light basics — Science Learning Hub

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