A vessel of depth 2h is half filled with a liquid of refractive index 22 and the upper half with another liquid of refractive index 2 . The liquids are immiscible. The apparent depth of the inner surface of the bottom of vessel will be: [Main 9 Jan. 2020 I]
(1) 2h
(2) 2(2+1)h
(3) 32h
(4) 43h2