IF refractive index of glass and water are respectively 3//2 and 4//3 refractive index of glass w.r.t water is

IF refractive index of glass and water are respectively 3//2 and 4//3

1.	IF refractive index of glass and water are respectively 3//2 and 4//3 refractive index of glass w.r.t water is
Answer» 2 `8//9` `9//8` `1//2` ANSWER :C