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CBSE - X - Physics

Name the type of lens we use to obtain the image of an object having the following magnifications m in new cartesian sign convention
m positive but less than 1
m  positive but more than one
 m negative but less than one
 Draw a ray diagram to justify your answer for m positive and more than one

Asked by jayantvatsa2005 6th March 2017, 6:21 PM
Answered by Expert



Magnification +ve but > 1 ⇒ Image and object both are erect and concave lens is used

Magnification +ve but < 1 ⇒ Image  and object both are erect and convex lens is used

Magnification -ve but <1  ⇒ Image  is diminished

Answered by Expert 6th March 2017, 6:46 PM

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