What is the function of the cardboard in the reflection of light?
The reflection of light refers to the phenomenon that the light changes its direction of propagation and returns to the original substance when it travels to different substances. Light reflects on the surface of water, glass, and many other objects. The phenomenon that light changes its direction of propagation at the interface of two substances and returns to the original substance is called the reflection of light.
In the reflection of light, the function of the cardboard is:In order to better observe the reflected light and incident light, the path of light on white cardboard is easy to observe, and the angle of reflection and the angle of incidence are also convenient.
