Answer:
True.
Explanation:
There are many types of projectors present in the world for example DLP,LCD,LED. The basic working of projectors is they uses a light source basically white light then this white light is converted into Red,blue,green lights with the help of mirrors,prisms etc.Then with the help of RGB light image is projected onto the screen passing through a lens.Projector consists of electrical circuits and optical equipment to do all this.