Suppose a wave function is given by y$($t$,$x$)=4$ cos$(6$t $+1\mathrm{.}5$x $-3\mathrm{.}2),$ with all values in MKS units. Then $...$

$($a$)$ the amplitude is $[$ Select $]$ m;$$

$($b$)$the angular frequency is $[$ Select $]$ rad$/$s;$$

$($c$)$ the wave number is $[$ Select $]$ rad$/$m;$$

$($d$)$the phase shift is $[$ Select $]$ rad;$$

$($e$)$ the frequency is $[$ Select $]$ Hz;$$

$($f$)$the period is $[$ Select $]$ s;$$

$($g$)$the wavelength is $[$ Select $]$ m;$$

$($h$)$ the propagation speed of the wave is $[$ Select $]$ m$/$s;$$

$($i$)$the transverse speed of the wave at $(0,0)$ is $[$ Select $]$ m$/$s$.$

Answer $1$: