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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A concave mirror of focal length 20 cm is placed inside water with its shining surface upwards and principal axis vertical as shown in figure. Rays are incident parallel to the principal axis of concave mirror.

A concave mirror of focal length 20 cm is placed inside water with its shining surface upwards and principal axis vertical as shown in figure. Rays are incident parallel to the principal axis of concave mirror.

find the apparent depth of the object seen below surface AB. In figure