no
It mean that sound does not bounce off the surface or is significantly muffled.
it depends on the surface. the ability for a light wave 2 "bounce off" lies in whether or not the substance will absorb that certain frequency of light...and the type of surface (i.e. smooth or rough)
I think 'reflection' is the term you are looking for.
The light waves bounce off the surface and travel in a new direction
Scattering of light.
A Mirror
they bounce off any thing they hit and it reflects, or obsorbs them
time it takes for sound waves to bounce off a surface
reflection
Because an echo needs a solid surface for the sound to 'bounce' off.
An echo is formed when sound waves hit a solid surface and bounce back in the direction they came from.