Answer
$670KHz$
Work Step by Step
The frequency of the station can be determined as
$f=\frac{c}{\lambda}$
$\implies f=\frac{c}{4L}$
We plug in the known values to obtain:
$f=\frac{3.00\times 10^8}{4(112)}=670KHz$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.