The electric field and magnetic field components of an electromagnetic wave going through vacuum is described by . Then the correct relation between and is given by [2023]

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Solution

Q.
The electric field and magnetic field components of an electromagnetic wave going through vacuum is described by $E_{x} = E_{0} \sin (k z - ω t), B_{x} = B_{0} \sin (k z - ω t)$ . Then the correct relation between $E_{0}$ and $B_{0}$ is given by [2023]

1 $E_{0} B_{0} = ω k$

2 $E_{0} = k B_{0}$

3 $k E_{0} = ω B_{0}$

4 $ε E_{0} = ω B_{0}$

Ans.
(3)

$C = \frac{ω}{k} = \frac{E_{0}}{B_{0}}$

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