AP EAMCET · PHYSICS · Electromagnetic Waves
An electromagnetic wave travel in a medium with a speed of \(2 \times 10^8 \mathrm{~ms}^{-1}\). The relative permeability of the medium is 1 . Then the relative permitivity is
- A 1.75
- B 2
- C 2.25
- D 2.75
Answer & Solution
Correct Answer
(C) 2.25
Step-by-step Solution
Detailed explanation
For EM wave, \(v=2 \times 10^8 \mathrm{~ms}^{-1}, \mu_{\mathrm{r}}=1\)…
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