In this video Paul Andersen explains how ray diagrams for lenses can be used to determine the size and location of a refracted image. Images may be either real or virtual images. Ray diagrams for converging and diverging lenses are...

LIGHT! Let's talk about it today. Sunlight, moonlight, torchlight, and flashlight. They all come from different places, but they’re the very same thing: light! It’s what makes it possible for us to see the world around us, so it’s worth...

This video covers:

- How to draw ray diagrams for convex and concave le
nses
- How to comment on whether an image is real or virtual, upright or inverted, and bigger or smaller than t

he object.

Exam
board...

Vision defects generally come in two different ways called short sightedness and long sightedness. A person who has short sight can see near objects clearly, but struggles to focus on distant ones. This is caused by one or two reasons....

A diverging lens is sort of like the opposite of a converging lens because it curves inwards instead of outwards. It is represented with this symbol, interesting I know. Diverging lenses refract the light in a way, which makes them...