$q,$

$($a$)0\mathrm{.}01$ s The period of a $10$ Hz wave is

$(8)0\mathrm{.}1$ s

$($c$)1$ s

$($d$)5$ s

$($e$)10$ s

$($g$)$ None of the above because the real answer is

$($f$)100$ s

$($h$)$ Not enough information. Missing information