MHT CET Physics question
A double convex lens of refractive index 1.5 designed to reduce spherical aberration has ratio of radius of curvatures . If a point object is kept 36 cm in front of this lens, it produces its real image at 18 cm. The value of and respectively will be [MHT-CET 2020]
Answer: (C)
Solution
, so cm;
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