Numerical

determination of focal length of concave miror by single pin method. [Relation between u-v-f [numerical examples]

Determination of focal length of concave miror by single pin method. [Relation between u-v-f (numerical examples) Spherical mirrors It is a mirror which has the shape of a piece cut out of a spherical surface. Two types of spherical mirrors are; Concave mirror: Its inner concave surface reflects, and has polished outer surface. Convex mirror: … Read more

Aptitude for RAS Mains Exam

Aptitude An aptitude is a component of a competence to do a certain kind of work at a certain level. Outstanding aptitude can be considered “talent”. An aptitude may be physical or mental. Aptitude is inborn potential to do certain kinds of work whether developed or undeveloped. Ability is developed knowledge, understanding, learned or acquired … Read more