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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A thin equiconvex lens made of glass of refractive index 3/2 and a focal length 0.3 m in air is sealed into an opening at one end of a tank filled with water (mu = 3/2). On the opposite side of the lens, a mirror is placed inside the tank on the

A thin equiconvex lens made of glass of refractive index 3/2 and a focal length 0.3 m in air is sealed into an opening at one end of a tank filled with water (mu = 3/2). On the opposite side of the lens, a mirror is placed inside the tank on the

(b) and (c). Draw a ray diagram to locate the lens and its focus. What type of lens is it? An image I is formed of a point object O by a lens whose optic axis is XY as shown in cases (a)