Draw a ray from the object to the lens that is parallel to the principal axis. Once through the lens, the ray should pass through the principal focus. Draw a ray which passes from the object through ...

Convex and concave lenses can both be used to correct defects of vision. The most commonly occurring defects of vision are ‘short sightedness’ and ‘long sightedness’. People who are ‘short sighted’ ...

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 ...

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.

Do Physics numericals feel overwhelming? Do ray diagrams confuse you? With the ICSE Class 10 Board Exams just around the corner, smart preparation can help you master both theory and numericals with ...