Which type of interaction is this?

Which type of interaction is this?

Which type of interaction is this?

What is it called when two waves combine to form a new wave?

What happens when the crests of two waves overlap to form a larger wave?

What happens when the crest of one wave overlaps the trough of a different wave?

Light spreads out after it travels through a keyhole.

Waves can meet and form a smaller amplitude.  If this occurs, it is called

What is the phenomenon called when light waves bend around obstacles and spread out?

In a double-slit experiment, what pattern is observed on the screen due to the interference of light?

Which of the following is a real-world application of diffraction?

What is the condition for constructive interference in terms of path difference?

When two waves meet and the resulting amplitude is smaller than either of the original waves, what type of interference has occurred?

Which experiment demonstrates the wave nature of light through interference and diffraction?