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Question -

Match the items given in Column I with one or more items of Column II.

Column I ┬а ┬а ┬а ┬а ┬а ┬а ┬а Column II
(a) A plane mirror ┬а ┬а ┬а ┬а ┬а ┬а (i) Used as a magnifying glass.
(b) A convex mirror ┬а ┬а ┬а ┬а ┬а ┬а (ii) Can form image of objects spread over a large area.
(c) A convex lens┬а ┬а ┬а ┬а ┬а ┬а ┬а (iii) Used by dentists to see enlarged image of teeth.
(d) A concave mirror ┬а┬а ┬а ┬а ┬а ┬а (iv) The image is always inverted and magnified.
(e) A concave lens ┬а ┬а ┬а ┬а ┬а ┬а (v) The image is erect and of the same size as the object.
┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а(vi) The image is erect and smaller in size than the object.



Answer -

(a)┬а┬а
(v)A plane mirror forms an image which is erect and of the same size as the object.

(b)┬а
(ii) and (vi)
A convex mirror forms a virtual, diminished, and upright image and therefore, covers a larger area of view. Its field of view is very large.

(c)┬а
(i)┬аA convex lens can form a magnified image of the object. Therefore, it is used as a magnifying glass.

(d)┬а
(iii)┬аA concave mirror forms an enlarged image of the object. Therefore, it is used to see an enlarged image of teeth by the dentist.

(e)┬а
(vi)┬аThe image formed by a concave lens is always virtual, upright and erect.

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