PhysicsEasy120×since 2002Q6830Electromagnetic waves travel in a medium with speed of 1.5×108 m s−11.5 \times 10^8 \mathrm{~m} \mathrm{~s}^{-1}1.5×108 m s−1. The relative permeability of the medium is 2.0. The relative permittivity will be:A4B1C2D5Check answerSkip