Refraction - I

Refraction I

Light usually travels in a straight line through air or space. But when it passes into a new material like water or glass, it changes speed and bends. This bending of light is called refraction.

A common example is when a straw looks bent in a glass of water. The light slows ...

Have you ever noticed how a straw in a glass of water looks bent or broken? That’s because of the refraction of light.

Refraction is the bending of light as it passes from one transparent medium to another, like from air to water.

Light usually travels in a straight line when moving through air or a vacuum.

But it slows down wh...