What is the best description of the constructive interference of light?

Responses

The crest and trough of two waves intersect.

The crest and trough of two waves intersect.,

A mechanical wave meets an electromagnetic wave.

A mechanical wave meets an electromagnetic wave.

A longitudinal wave meets a transverse light wave.

A longitudinal wave meets a transverse light wave.

The crest of one wave overlaps with the crest of another.

The crest of one wave overlaps with the crest of another.