HP$03$ N$\text{'}$r$$p$$ta manometer U$-$tube maka mmiri $(=1$ gm$/$cm$^3,=49$ dynes$/$cm$,\backslash$theta $=0),$ pr$$fes$$ ah$$ na$-$an$$gh$$ ya jiri tubing iko nke $0\mathrm{.}1$ cm radius maka otu $$kw$$ na iko tube nke $0\mathrm{.}05.$ radius cm maka $$kw$$ nke $$z$.$ Kedu ihe manometer ya ga$-$egosi na$-$enwegh$$ nr$$gide etinyere n$\text{'}$kw$$ b$$la$?$ g $=980$ cm$/$sk$.$