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’ ...

Here you get the CBSE Class 10 Science chapter 10, Light- Reflection and Refraction: NCERT Exemplar Problems and Solutions (Part-III). This part of the chapter includes solutions for Question No. 30 ...

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 ...