nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Electromagnetic Waves Electromagnetic Spectrum
When light propagates through a material medium of relative permittivity ϵr and relative permeability μr, the velocity of light, v is given by: (c - velocity of light in vacuum)
1
\(v=\frac{\mathrm{c}}{\sqrt{ϵ_{\mathrm{r}} μ_{\mathrm{r}}}}\)
2
v = c
3
\(v=\sqrt{\frac{\mu_{\mathrm{r}}}{\epsilon_{\mathrm{r}}}}\)
4
\(v=\sqrt{\frac{ϵ_{r}}{μ_{r}}}\)