1.

An air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest to eye when looked along diameter. If amg = 1.5, the distance of bubble from refracting surface is [CPMT 2002]

A.            1.2 cm                                     
B.            3.2 cm
C.            2.8 cm                                     
D.            1.6 cm
Answer» B.            3.2 cm


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