SECTION:A (5×1=5) Choose the correct answer for each of the following. 1:The path of the light is (a) always a straight line (b) a curved line (c) a zig-zag line (d) depends on the medium 2:Which one shows lateral inversion? (a) Plane mirror (b) Convex mirror (c) Concave mirror (d) All of these 3:Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively (a) plane mirror and concave mirror (b) concave mirror and convex mirror (c) plane mirror and convex mirror (d) convex mirror and plane mirror 4:Which of the following can be used to form a real image? (a) Concave mirror only (b) Plane mirror only (c) Convex mirror only (d) Both concave and convex mirrors 5: Ifan object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be (a) 2 m (b) 1 m (c) 0.5 m (d) 0.25 m Section B (5×1=5) Fill in the blanks 1:The property by which light in the straight line is termed as_______________________ 2:The splitting of white light into its seven constituent colours is called________________ 3:A ____________________ lens always forms an erect, virtual and diminished image. 4:An image formed on a screen is called a _______ 5:The lenses which feel thicker in the middle than at the edges are _________ Section C (3×1=3) Write short notes on any one. 1:spherical mirrors 2:regular reflection 3:kind of image formed by a concave mirror. Section D (5×1=5) Match the items in column A with column B A. (a) Plane Mirror (b) A convex mirror (c) A convex lens (d) A concave mirror (e) A concave lens B. (i) Used as a magnifying glass. (ii) can form image of objects spread over a large area. (iii) used by dentists to see enlarged image of teeth. (iv) the image formed is always inverted and magnified. (v) the image is erect and of the same size as the object. (vi) The image is erect and smaller.