Question 111: EM waves

Question

A plane electromagnetic wave propagating along y-direction can have the following pair of electric field $$\left( {\overrightarrow E } \right)$$ and magnetic field $$\left( {\overrightarrow B } \right)$$ components.

Accepted Answer

$$ \because $$ $$\widehat E 	imes \widehat B = \widehat C$$
$$ 	herefore $$ $$\widehat E 	imes \widehat B$$ should point in the direction of propagation of wave (y-direction here)
$$ 	herefore $$ possible combinations are (E
x
, B
z
) or (E
z
, B
x
)

Answer

E
x
, B
z
or E
z
, B
x

Answer

E
x
, B
y
or E
y
, B
x

Answer

E
y
, B
y
or E
z
, B
z

Answer

E
y
, B
x
or E
x
, B
y

EM waves

A plane electromagnetic wave propagating along y-direction can have the following pair of electric field $\left( {\overrightarrow E } \right) and magnetic field \left( {\overrightarrow B } \right)$ components.

Choose the correct answer: