The third Balmer line $(H)$ is seen in emission when an excited hydrogen $(H)$ atom has an electron move from the $5^{th}$ energy level $)=(-0\mathrm{.}54eV$ to the $3^{rd}$ level eV $).$ What is the wavelength $$ of this line?

a$)410\mathrm{.}1$ nm

b$)434\mathrm{.}7$ nm

c$)486\mathrm{.}1$ nm

d$)656\mathrm{.}3$ nm