Light

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What is a medium in the context of light?

Back

A medium is a substance through which light can travel, such as solid, liquid, or gas.

Front

What are the three main types of mediums for light?

Back

Solid, Liquid, Gas.

Front

What happens to light when it passes through a medium?

Back

Light can be reflected, refracted, or absorbed depending on the medium.

Front

What is reflection?

Back

Reflection is when light bounces off an object.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by an object and not reflected or transmitted.

Front

Can light travel through a vacuum?

Back

Yes, light can travel through a vacuum where there is no matter.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is the difference between transparent, translucent, and opaque materials?

Back

Transparent materials allow light to pass through clearly, translucent materials allow some light to pass but not clearly, and opaque materials do not allow light to pass through.