which refers to a material that causes a wave to bounce off of it?\nabsorber\nreflector\nconductor\ninsulator

which refers to a material that causes a wave to bounce off of it?\nabsorber\nreflector\nconductor\ninsulator
Answer
Brief Explanations:
A reflector is a material that causes a wave to bounce off it. Absorbers take in waves, conductors allow the flow of electric - charge related entities (not directly related to wave - bouncing in this context), and insulators prevent the flow of electric charge.
Answer:
B. reflector