A convex spherical surface of radius 10 cm is used to form the image of a point object as shown. What should be the object distance x so that the distance between object and the image is 1 m ?

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​ v μ 2 ​ ​ − u μ 1 ​ ​ = R μ 2 ​ − μ 1 ​ ​ ( 1 − x ′ ) 1.5 ​ − ( − x ′ ) 1 ​ = − 10 − 5 ​ ⇒ ( 1 − x ′ ) 1.5 ​ + x 1 ​ = 2 1 ​ x = 4 , 5 m x = 40 , 50 c m ​

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