A wave travelling in the $-ve\,\,z-$ direction having displacement along $x-$ direction as $1\,m,$ wavelength $\pi\, m$ and frequency at $\frac {1}{\pi }\,H_Z$ is represented by
A wave travelling in the $-ve\,\,z-$ direction having displacement along $x-$ direction as $1\,m,$ wavelength $\pi\, m$ and frequency at $\frac {1}{\pi }\,H_Z$ is represented by
- A
$x = sin\,(2t + 2z)$
- B
$z = sin\,(2t + 2x)$
- C
$x = sin\,(2\pi t -2z)$
- D
$z = sin\,(2t -2x)$
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