We compare and contrast concave and convex lenses by drawing ray diagrams. In this Closer Look segment on Lenses, we compare and contrast concave and convex lenses by drawing ray diagrams and ...

A ray diagram showing refraction at the boundary between air and glass Refraction can cause optical illusions as the light waves appear to come from a different position to their actual source. The ...

CBSE Class 12 Physics Ray Optics Formula list: Ray Optics is an important chapter for CBSE Class 12 students. Usually, four marker questions from the chapter are asked in the CBSE Board Examinations.

Science presenter Jon Chase explains total internal reflection. He demonstrates how total internal reflection can make a coin disappear inside a glass of water and bend a laser beam. The second ...