Which of the following is not true for this progressive wave $y = 4\sin 2\pi \left( {\frac{t}{{0.02}} - \frac{x}{{100}}} \right)$ where $y$ and $x$ are in $cm$ & $t$ in $sec$
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(d) $y = 4\sin 2\pi \left( {\frac{t}{{0.02}} - \frac{x}{{100}}} \right)$.

Comparing this equation with $y = a\sin 2\pi \left( {\frac{t}{T} - \frac{x}{\lambda }} \right)$

$v = \frac{{{\rm{Co - efficient \,of\, }}t}}{{{\rm{Co - efficient\, of\, }}x}} = \frac{{1/0.02}}{{1/100}}$

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