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  • 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)

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).

 

 

 
 
 
 
 

Answers (1)

Ray diagrams are following -

(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

In case-

(i) sign of m is positive and m> 1

(ii) sign of m is positive and m < 1

Posted by

Safeer PP

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