have you learnt about lenses and their diagrams?

Answer 1

Yes, I am familiar with the basic concepts of lenses and their diagrams. Lenses are optical devices that can focus or disperse light, and they are commonly used in cameras, telescopes, and eyeglasses. The two main types of lenses are convex (converging) lenses, which bring light rays together to form a real image, and concave (diverging) lenses, which cause light rays to spread out as if they were coming from a point behind the lens. Diagrams of lenses typically show incoming and outgoing light rays, as well as the principal axis, focal points, and optical centers of the lens.