Question

Do the situations in FIGURE represent possible electromagnetic waves? If not, why not?

Short answer

a) It's NO electromagnetic waves.

b) It's electromagnetic waves.

Step-by-step solution

Electromagnetic waves

Waves transmitted by synchronous periodic fluctuations in electro magnetic flux strength include radio waves, ultraviolet, actinic radiation, ultraviolet, X-rays, and gamma radiation.

Find values using graph (part a and b)

From picture, we've got to find:

(a) The direction of $v_{em}$is $E\times B$which might be along the $x$-axis. So, answer is not any.

(b) The Pointing vector requirement is satisfied.

So, answer is Yes.

(a) (b)