Two air columns resonate at the same fundamental frequency. Column A is open at both ends and column B has one end open and the other one closed. The length of column B is $0\mathrm{.}82$m$.$ Use vsvs $=340$m$/$s for the speed of sound in air.

$($a$)$

What is the fundamental frequency of column B$?$

f$1=$f$1=$ Hz $(1$ Hz$)$

$($b$)$

What is the next highest frequency above the fundamental that column B can produce?

f$=$f$=$ Hz $(1$ Hz$)$

$($c$)$

What is the length of column A$?$

LA$=$LA$=$ m $(0\mathrm{.}01$ m$)$