Question

13. If the refractive indices of alcohol and benzene with respect to air are 1.36 and 1.50 respectively,
then the refractive index of benzene with respect to alcohol is
(1) 1.10
(2) 1.20
(3) 0.90
(4) 1.00​

Answer 1

answer is

1.50/1.36 .....apx. 1.10 option (1)