Waves close wavesVibrations that transfer ... The law of reflection states that: angle of incidence = angle of reflection For example, if a light ray hits a surface at 32°, it will be reflected ...

Time reflections, or spatial reflections, occur when "electromagnetic radiation in the form of light or sound waves hit a mirror or wall, respectively," resulting in a reflection, like a mirror ...

Sound waves can reflect off surfaces. We hear reflected sound waves as echoes. Hard, smooth surfaces are particularly good at reflecting sound. This is why empty rooms produce lots of echoes.