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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > What should be the value of refractive index mu of a glass rod placed in air, so that the light entering through the flat surface of the rod does not cross the curved surface of the rod?

What should be the value of refractive index mu of a glass rod placed in air, so that the light entering through the flat surface of the rod does not cross the curved surface of the rod?

so that the light entering through the flat surface of the rod does not cross the curved surface of the rod? What should be the value of refractive index mu of a glass rod placed in air