An image that can be formed on the screen is known as a real image and the one which cannot be formed on the screen is known as a virtual image. Answer: Uses of mirrors: 1. The following are terms that you must know: The following are terms that you must know: Principle Axis - The line that passes through the centre of curvature. A 10 mm long awl pin is placed vertically in front of a concave mirror. 14.2 Lenses. 2. (a) Concave mirror as well as convex lens (b) Convex mirror as well as concave lens (c) Two plane mirrors placed at 90° to each other (d) Concave mirror as well as concave lens 2. •I can draw ray diagrams for concave and convex mirrors. Concave and convex Mirror questions - Construct optical diagrams to answer these questions . Images can be of two types: Real image and Virtual image. Convex Lenses •A convex lens is thicker in the middle than at the edges. Which of the following can make a parallel beam of light when light from a point source is incident on it? Describe a spherical mirror. Concave Mirror Convex Mirror Image Formation By Concave Mirror Concave Mirror Ray Diagram Image Formation By Convex Mirror. MCQs on Spherical Mirrors for the subject Physics is given with Answers in this article for the reference of Students and as well as teachers. The Multiple Choice Questions Related i.e. Write down the uses of concave and convex mirror. A mirror is a surface that reflects a clear image. An object 1.4 cm tall is positioned 12 cm from a concave mirror. CONCAVE MIRRORS A concave mirror is a mirror where the reflecting surface curves inward. Ans : [CBSE 2014] Spherical mirror is a part of a sphere. Q1. Mirror is of two types; concave and convex mirror where as lens is a transparent or a piece of glass having a curved side for the dispersion of light rays. ONE MARK QUESTIONS 1. •Its optical axis is an imaginary straight line that is perpendicular to the surface of the lens at its thickest point. Ans : [CBSE 2014] Image is virtual, erect, laterally inverted and of same size as object. •Like curved mirrors, a lens can be convex or concave. Uses of concave mirrors: Concave mirrors are commonly used in torches, searchlights and vechicles headlights to get powerful beam of light. Write down four important characteristics of image formed by a plane mirror. Multiple Choice Questions 1. It is used in shaving mirrors to see large image of the face. It is also normal to the centre of the mirror.