10. Suppose refractive index μ is given is μ= A + B/λ², where A and B are constants and λ is ...

10. Suppose refractive index μ is given is μ= A + B/λ², where A and B are constants and λ is wavelength, then dimensions of B are same as that of
(a) wavelength
(b) volume
(c) pressure
(d) area