NEET · Physics · STD 12 - 8. Electromagnetic waves
The ratio of the magnitude of the magnetic field and electric field intensity of a plane electromagnetic wave in free space of permeability \(\mu_0\) and permittivity \(\varepsilon_0\) is (Given that \(c\) - velocity of light in free space)
- A \(c\)
- B \(\frac{1}{c}\)
- C \(\frac{c}{\sqrt{\mu_0 \varepsilon_0}}\)
- D \(\frac{\sqrt{\mu_0 \varepsilon_0}}{c}\)
Answer & Solution
Correct Answer
(B) \(\frac{1}{c}\)
Step-by-step Solution
Detailed explanation
\(\frac{ B _0}{ E _0}=\frac{1}{ c }=\sqrt{\mu_0 \varepsilon_0}\)
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