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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A beam of light strikes a glass sphere of diameter 15 cm converging towards a point 30 cm behind the pole of the spherical surface. Find the position of the image if the refractive index of glass is 1.5.

A beam of light strikes a glass sphere of diameter 15 cm converging towards a point 30 cm behind the pole of the spherical surface. Find the position of the image if the refractive index of glass is 1.5.

An empty spherical flask of diameter 15 cm is placed in water of refractive index 4/3. A parallel ray of light strikes the flask. Where does it get focused if observed from within the flask?