Reflection and Refraction

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, causing it to change direction.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is a medium in terms of light?

Back

A medium is a material through which light can travel, such as air, water, or glass.

Front

What happens to light when it passes through a hand lens?

Back

The light is refracted, which makes the image appear larger.

Front

Why does light travel in a straight line?

Back

Light travels in a straight line if there is nothing to interfere with its path.

Front

What is the role of a lens?

Back

A lens bends light passing through it, which can magnify images.

Front

What is absorption in the context of light?

Back

Absorption is when light is taken in by a material and does not pass through or reflect.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different media.

Front

Can light travel through all materials?

Back

No, light can only travel through transparent or translucent materials; opaque materials block light.

Front

What is an example of refraction in everyday life?

Back

An example of refraction is when a straw appears bent when placed in a glass of water.