1.The refractive index and the permeability of a medium are respectively 1.51.51.5 and 5×10−75 \times 10^{-7}5×10−7 Hm−1^{-1}−1. The relative permittivity of the medium is nearlya.25b.15c.6d.10Login to continueOnly logged in users canattempt or see the solution.