Question

An electromagnetic wave going through vacuum is described by $E=E_{0}\,\sin \left(kx-\omega t\right)$ Which of the following is/are independent of the wavelength?

• A. $k$
• B. $\omega^{2}$
• C. $k/\omega$
• D. $k\omega^{2}$

Answer 1

Answer: (C)

$k/\omega$

Answer 2

$\frac{k}{\omega}$ is independent of $\lambda$