The wave described by $y = 0.25\,\sin \,\left( {10\pi x - 2\pi t} \right)$ , where $x$ and $y$ are in $meters$ and $t$ in $seconds$ , is a wave travelling along is

  • A

    $+ve$ $x$ direction with frequency $1\, Hz$ and wavelength $\lambda  = 0.2\,m$.

  • B

    $-ve$ $x$ direction with amplitude $0.25\, m$ and wavelength $\lambda  = 0.2\,m$.

  • C

    $-ve$ $x$ direction with frequency $1\, Hz.$

  • D

    $+ve$ $x$ direction with frequency $\pi\, Hz$ and wavelength $\lambda  = 0.2\,m$

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