Monday Homework Problem $15\mathrm{.}2$ When I wave a charged golf tube at the front of the classroom with a frequency of two oscillations per second, I produce an electromagnetic wave of frequency $2$ Hz $.$ What is the wavelength of this wave?

$($a$)6\mathrm{.}7{10}^{-9}m$

$($b$)1\mathrm{.}5{10}^{8}m$

$($c$)3\mathrm{.}0{10}^{8}m$

$($d$)6\mathrm{.}0{10}^{8}m$

$($e$)$ Toby.