Assertion: wave | /r/CapableOf | encounter obstacle
Facets:
value: in reflection
type: MANNER
Source sentences:
text: A wave exhibits diffraction when it encounters an obstacle that bends the wave or when it spreads after emerging from an opening.
text: In reflection, a wave encounters an obstacle and is reflected back.
text: Waves also carry energy and momentum, and whenever a wave encounters an obstacle, they are reflected by the obstacle.