When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid, it acts as a plane sheet…
When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid, it acts as a plane sheet of glass. This implies that the liquid must have refractive index
equal to that of glass
less than one
greater than that of glass
less than that of glass
Solution
If biconvex lens behave like plane sheet, ray will pass undeviated through it only when medium has same refractive index as that of biconvex lens.