iran-konkur 2018 Q196

iran-konkur · Other · konkur-riazi_1397_specialized Not Maths
196- The diagram below shows the electric field of an electromagnetic wave propagating in vacuum, according to the figure shown. Which statement about this diagram is correct? $\left(c = 3\times10^{8}\ \dfrac{\text{m}}{\text{s}}\right)$
[Figure: Sinusoidal electromagnetic wave with E field on vertical axis and x(m) on horizontal axis, with points O, Y, and B marked]
  1. The wavelength is $0.5$ meters.
  2. The period of the wave is one second.
  3. The wave number is $\pi$ radians per meter.
  4. The frequency is $3\times10^{8}$ Hz.
\textbf{196-} The diagram below shows the electric field of an electromagnetic wave propagating in vacuum, according to the figure shown. Which statement about this diagram is correct? $\left(c = 3\times10^{8}\ \dfrac{\text{m}}{\text{s}}\right)$

\textit{[Figure: Sinusoidal electromagnetic wave with E field on vertical axis and x(m) on horizontal axis, with points O, Y, and B marked]}

\begin{enumerate}
    \item The wavelength is $0.5$ meters.
    \item The period of the wave is one second.
    \item The wave number is $\pi$ radians per meter.
    \item The frequency is $3\times10^{8}$ Hz.
\end{enumerate}