An electromagnetic wave going through vacuum is described by E - Eo sinkx-t- B - Bo sinkx-t- Which of the following equation is true

E_0/B_0=C. also k=2π/λ and w=2π v These relation gives E_0K=B_0w ...

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Standard XII

Physics

Wave Equation of EM Waves

An electromag...

Question

An electromagnetic wave going through vacuum is described by E = $E_{o} s i n (k x - ω t); B = B_{o} s i n (k x - ω t);$ . Which of the following equation is true

$E_{o} k = B_{o} ω$

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$E_{o} ω = B_{o} k$

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$E_{o} B_{o} = ω k$

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None of these

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Solution

The correct option is A
$E_{o} k = B_{o} ω$

$\frac{E_{0}}{B_{0}} = C .$ also $k = \frac{2 π}{λ}$ and $w = 2 π v$

These relation gives $E_{0} K = B_{0} w$

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An electromagnetic wave going through vacuum is described by E = Eo sin(kx−ωt); B =Bo sin(kx−ωt);. Which of the following equation is true

The correct option is A Eok=Boω E0B0=C. also k=2πλ and w=2π v These relation gives E0K=B0w

An electromagnetic wave going through vacuum is described by E = $E_{o} s i n (k x - ω t); B = B_{o} s i n (k x - ω t);$ . Which of the following equation is true

The correct option is A
$E_{o} k = B_{o} ω$

$\frac{E_{0}}{B_{0}} = C .$ also $k = \frac{2 π}{λ}$ and $w = 2 π v$

These relation gives $E_{0} K = B_{0} w$