A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when viewed from above is seem 3.0cm from the top of the block; calculates the refractive index of the material of the block. by Sunday | Sep 2 | Physics WAEC | 0 comments A. 2/5 B. 3/5 C. 3/2 D. 5/3 E. 5/2 Correct Answer: Option D – 5/3 Users Also Read These:A to eater to glass to air to water to glass to air.…A travelling microscope is focused on a mark on a…A ray of light travelling from glass into ethyl…A coin place below a rectangular glass block of…A microscope is focused on a mark on a table, when…