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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A cubical block of glass refractive index 1.5, has a spherical cavity of radius r = 9 cm inside it as shown in figure. A luminous point object O is at a distance of 18 cm from the cube (see figure). What is the apparent

A cubical block of glass refractive index 1.5, has a spherical cavity of radius r = 9 cm inside it as shown in figure. A luminous point object O is at a distance of 18 cm from the cube (see figure). What is the apparent

A cubical block of glass refractive index 1.5 has a spherical cavity of radius r = 9 cm inside it as shown in figure. A luminous point object O is at a distance of 18 cm from the cube (see figure). What is the apparent