79. THE PLANE FACE OF TWO IDENTICAL PLANO CONVEX LENS, EACH HAVING FOC – InterviewSolution

1.	79. THE PLANE FACE OF TWO IDENTICAL PLANO CONVEX LENS, EACH HAVING FOCAL LENGTH OF 40 CM ARE PLACED AGAINST EACH OTHER TO FPRM USUAL CONVEX LENS. THE DISTANCE FROM THIS LENS AT WHICH AN OBJECT MUST BE PLACED TO OBTAIN A REAL INVERTED IMAGE WITH MAGNIFICATION ''-1'' IS
Answer» 79. THE PLANE FACE OF TWO IDENTICAL PLANO CONVEX LENS, EACH HAVING FOCAL LENGTH OF 40 CM ARE PLACED AGAINST EACH OTHER TO FPRM USUAL CONVEX LENS. THE DISTANCE FROM THIS LENS AT WHICH AN OBJECT MUST BE PLACED TO OBTAIN A REAL INVERTED IMAGE WITH MAGNIFICATION ''-1'' IS

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