The electromagnetic waves travel with a velocity in a medium material :
Physics · NEET · NTA Exams — Electromagnetic Waves
The electromagnetic waves travel with a velocity in a medium material :
- \(c=\frac{1}{\sqrt{\mu_{0} \varepsilon_{0}}}\)
- \(v=\frac{c}{\sqrt{\mu_{r} \varepsilon_{r}}}\)
- Greater than velocity of light
- None of these
Answer
(B) v= c _ r _ r
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