Question

Materials that let light pass through them?

Answer 1

They are transparent

Step-by-step explanation:

Because they simple allow light to pass though instead of obstructing it

Answer 2

Materials that allow most all light to pass through them are called transparent. Examples of transparent items are glass, water, and air. Those materials that allow some light to pass through them are called translucent and include things like frosted glass and wax paper.