sin i cos sin 90 i je tan u tan 3 60 sin r tan 4 pla ple 14

Last updated: 6/8/2023

sin i cos sin 90 i je tan u tan 3 60 sin r tan 4 pla ple 14 One face of a rectangular glass plate of 8 cm thickness is silvered An object held 10 cm in front of the unsilvered face forms an image 12 cm behind the silvered face What is the refractive index of the glass Apparent position of the silvered face is shifted towardin w