JEE Advanced Model Paper 13 with solutions for online practice

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A point object ‘O’ is placed in a medium of refractive index µ1 = 1.4 , S1 and S2 aretwo concentric spherical surfaces of radii 1m and 2m. To the right of ‘O’ containsa medium of refractive index µ2 = 1.5 between the interfaces S1 and S2 . Find theobject distance of O form S1 (in meter) so that an image of ‘O’ as seen byobserver from air, coincides with O.
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