Sagot :
Refraction
If you shine a beam of light (a bundle of parallel rays) through the air, it will travel in a straight line. Rays of light usually travel in straight lines until they hit something.
CORRECT ME IF I WRONG (-_-)
Refraction
If you shine a beam of light (a bundle of parallel rays) through the air, it will travel in a straight line. Rays of light usually travel in straight lines until they hit something.
CORRECT ME IF I WRONG (-_-)