Reflection is a physical process of interaction of waves or particles with a surface, a change in the direction of the wave front at the boundary of two media with different properties, whereby the wave front returns to the medium it came from.
消息来源频道
@physics_tg
Physics channel №1 on Telegram! Buy Ads: @BADitel, @Arseniy495 or https://telega.io/c/physics_tg