In today's lesson, we are going to explore how different lenses can affect the transmission of light. A lens is a piece of transparent material that bend, or refract, light. As light passes through the lens, the light rays may diverge (spread out in all directions, never to meet), or converge (come together to meet at a single point).
A lens can either be concave, or convex. A concave lens is thinner in the middle and thicker at the ends. A convex lens is thicker in the middle and thinner at the ends.
A lens can either be concave, or convex. A concave lens is thinner in the middle and thicker at the ends. A convex lens is thicker in the middle and thinner at the ends.
A few days ago, we studied the Ray Model of Light and drew Ray Diagrams showing incoming (incident) rays reflecting off of a surface and becoming reflected rays.
We can use these skills to show refraction of light. Similar to the Reflected Ray Model, incoming rays to a lens are called Incident Rays, however, these rays do not become reflected. Instead, these rays pass through the medium and are bent, and become Refracted Rays.