The focal length of a convex lens of refractive index 1.5 is .f. when it is placed in air. When it is immerse in a liquid it behaves as a converging lens and its focal length becomes xf (x gt 1) The refractive index of the liquid is

The focal length of a convex lens of refractive index 1.5 is .f. when

1.	The focal length of a convex lens of refractive index 1.5 is .f. when it is placed in air. When it is immerse in a liquid it behaves as a converging lens and its focal length becomes xf (x gt 1) The refractive index of the liquid is
Answer» `GT 3//2` `LT 3//2 and gt 1` ` lt 3//2` `=3//2` ANSWER :B