Propagation Direction

Rarely Tested
The direction of propagation is parallel to $$\vec{E} \times \vec{B}$$.
$$\vec{E}$$, $$\vec{B}$$, and propagation direction form a right-handed orthogonal system.
Question 1

The electric field associated with an electromagnetic wave travelling in vacuum is given by $$E_0\sin(3y+4z+\omega t)\hat{i}$$, where $$\omega$$ is the angular frequency. All quantities are in SI units. The correct statement(s) about this wave is(are):

[Given: speed of light in vacuum $$c=3\times 10^8\,\mathrm{ms^{-1}}$$.]

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