Embibe Experts Solutions for Chapter: Ray Optics and Optical Instruments, Exercise 1: Exercise

An observer whose least distance of distinct vision is $d$, views his own face in a convex mirror of radius of curvature $r$. The magnification produced can not exceed?

Look at the ray diagram shown, what will be the focal length of the 1^st and the 2^nd lens, if the incident light ray passes without any deviation?

The centre of the lens is called:

Why do we use paraxial rays?

Consider a plane parallel beam of light incident on a plano-cylindrical lens as shown. Which of the following will you observe on a screen placed at the focal plane of the lens?

Which eyepiece called negative eyepiece?

Linear magnification is

 A telescope that uses two converging lenses is called