An air bubble in sphere having 4 cm diameter appears 1 cr

Last updated: 6/26/2023

An air bubble in sphere having 4 cm diameter appears 1 cr from surface nearest to eye when looked along diameter aHg 1 5 the distance of bubble from refracting surface is A B C D 1 2 cm 3 2 cm 2 8cm 1 6 cm My Answer