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Electromagnetic Waves

An electromagnetic wave in vacuum has the electric and magneti

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Solving time: 3 mins

An electromagnetic wave in vacuum has the electric and magnetic field $E$ and $B$ , which are always perpendicular to each other. The direction of polarization is given by $X$ and that of wave propagation by $k$ . Then

X ∥ B

and

k ∥ B \times E

X ∥ E

and

k ∥ E \times B

X ∥ B

and

k ∥ E \times B

X ∥ E

and

k ∥ B \times E

Views: 5,502 students

Updated on: May 6, 2023

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Sofia Discussed

An electromagnetic wave in vacuum has the electric and magnetic field

E

and

B

, which are always perpendicular to each other. The direction of polarization is given by

X

and that of wave propagation by

k

. Then

6 mins ago

Discuss this question LIVE

6 mins ago

Text solutionVerified

∵

The E.M. wave are transverse in nature i.e.,

= \frac{k \times E}{μ ω} = H

................(i)
where

H = \frac{B}{μ}

and

\frac{k \times H}{ω ε} = - E

k

⊥ H

and

k

is also

⊥

E

k

⊥ H

and

k

is also

⊥

E

or In other words

X ∥ E

and

k ∥ E \times B

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Question Text	An electromagnetic wave in vacuum has the electric and magnetic field $E$ and $B$ , which are always perpendicular to each other. The direction of polarization is given by $X$ and that of wave propagation by $k$ . Then
Updated On	May 6, 2023
Topic	Electromagnetic Waves
Subject	Physics
Class	Class 12
Answer Type	Text solution:1 Video solution: 3
Upvotes	265
Avg. Video Duration	10 min

An electromagnetic wave in vacuum has the electric and magnetic field $E$ and $B$ , which are always perpendicular to each other. The direction of polarization is given by $X$ and that of wave propagation by $k$ . Then

Text solutionVerified

Filo tutor solutions (3)

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An electromagnetic wave in vacuum has the electric and magnetic field E and B, which are always perpendicular to each other. The direction of polarization is given by X and that of wave propagation by k. Then

Text solutionVerified

Filo tutor solutions (3)

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An electromagnetic wave in vacuum has the electric and magnetic field $E$ and $B$ , which are always perpendicular to each other. The direction of polarization is given by $X$ and that of wave propagation by $k$ . Then