Question

which describes refraction? (1 point) the bending of light as it passes through a substance the emission of light as it passes through a substance the focusing of light as it passes through a substance the reflection of light as it passes through a substance

Explanation:

Refraction is defined as the bending of light as it passes from one medium (substance) to another due to a change in speed. Reflection is the bouncing back of light. Emission is the release of light. Focusing is a result - related to lenses but not the core definition of refraction.

Answer:

the bending of light as it passes through a substance