Physics for IGCSE & O level - Rays And Waves (Section 8 - No. 35)

Which of the following are features of light?

Light is a form of radiation

Light radiates outwards until it's source.

Rays are used to show where light is going.

Light travels in curved lines.

Light is a form of radiation, radiates from it's source, and rays are used to show the direction of light. Light travels in straight lines.