a point object O is placed in air. A spherical boundary separates two media. AB is the principal axis. The refractive index above AB is 1.6 and below AB is 2.0. The separation
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In figure, a point object O is placed in air. A spherical boundary separates two media. AB is the principal axis. The refractive index above AB is 1.6 and below AB is 2.0. The separation a point object O is placed in air. A spherical boundary separates two media. AB is the principal axis. The [...]