Draw a ray diagram in each of the following cases to show the formation of image, when the object is placed:(i) between optical centre and principal focus of a convex lens.(ii) anywhere in front of a concave lens.(iii) at 2F of a convex lens.State the signs and values of magnifications in the above mentioned cases (i) and (ii).

Ray diagrams to show the formation of image, when the object is placed:


(i) Between optical centre and principal focus of a convex lens.



(ii) Between optical centre and principal focus of a convex lens. 


 (ii) Anywhere in front of a concave lens.


In case-

(i) sign of $m$ is positive and m> 1.

(ii) sign of $m$ is positive and m

Updated on: 10-Oct-2022

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