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Question -

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

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



Answer -

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

(b) 
(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) 
(i) A convex lens can form a magnified image of the object. Therefore, it is used as a magnifying glass.

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

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

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