Question

if the speed of light in a medium is 2×10m/s,what is the absolute refractive index of the medium

Answer 1

$\mu = \frac{c}{v} \\ \mu = \frac{3 \times {10}^{8} }{2 \times {10}^{8} } \\ \huge{\bold{\purple{\mu = 1.5}}}$
please follow me