Match the following lenses/mirrors with their correct applications. Column-I: i. Concave mirror ii. Convex mirror iii. Convex lens iv. Concave lens Column-II: p. Used in cameras and projectors for focusing light q. Used in correcting myopia (short-sightedness) r. Used in vehicles for rear-viewing s. Used in shaving to produce magnified upright image. Select the correct matching option.

Which of the following statements for persons suffering from presbyopia is/are correct ? 1. They cannot distinguish colours. 2. It usually develops with ageing. 3. They wear either bi-focal lenses co…

Match the Column-I with Column-II and choose the correct option : Column-I I. X-Rays II. Visible light III. Ultraviolet radiation IV. Infrared radiation Column-II (A) 1 Å (B) 2000 Å (C) 5000 Å (D) 10…

In case of a concave mirror, if an object is kept between principal focus F and pole P of the mirror, then which one of the following statements about the image is NOT correct?

The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be

A point object is placed at the centre of curvature of a spherical concave mirror. Which one among the following would be the correct location of image formed ?