An air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest

Question

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

Options:

A . 1.2 cm

B . 3.2 cm

C . 2.8 cm

D . 1.6 cm

Answer: Option A
:
A

An Air Bubble In Sphere Having 4 Cm Diameter Appears 1 Cm Fr...

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