1. Tardigrade
  2. Question
  3. Physics
  4. The speed of electromagnetic wave in a medium of dielectric constant 2.25 and relative permeability 4 is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The speed of electromagnetic wave in a medium of dielectric constant 2.25 and relative permeability 4 is

Electromagnetic Waves

Solution:

$v=\frac{3\times\,10^8}{\sqrt{2.25\times4}}=\frac{3 \times 10^8}{\sqrt{9}}=\frac{3 \times10^8}{3}=1\times 10^8 \,m\,s^{-1}$