1.

List four characteristics of the image formed by a convex lens of focal length 20 cm when the object is placed in front of it is a distance of 10 cm from its optical centre .

Answer»

SOLUTION :Characteristics of image formed by the convex lens :
(i) The image will be on the same side of the lens as the OBJECT ( as the object is between `F_(1) and ` O).
(II)It will be enlarged .
(iii) It will be virtual .
(iv) It will be erect .


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