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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 | 06 Mar, 2017, 06:21: PM
answered-by-expert Expert Answer

Hi,

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 | 06 Mar, 2017, 06:46: PM

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