PhysicsMedium105×since 2002Q7121A vessel of depth 'ddd' is half filled with oil of refractive index n1n_{1}n1 and the other half is filled with water of refractive index n2n_{2}n2. The apparent depth of this vessel when viewed from above will be-A2d(n1+n2)n1n2\frac{2 d\left(n_{1}+n_{2}\right)}{n_{1} n_{2}}n1n22d(n1+n2)Bd(n1+n2)2n1n2\frac{d\left(n_{1}+n_{2}\right)}{2 n_{1} n_{2}}2n1n2d(n1+n2)Cdn1n22(n1+n2)\frac{d n_{1} n_{2}}{2\left(n_{1}+n_{2}\right)}2(n1+n2)dn1n2Ddn1n2(n1+n2)\frac{d n_{1} n_{2}}{\left(n_{1}+n_{2}\right)}(n1+n2)dn1n2Check answerSkip