Calculate the energy emitted when electrons of 1.0g atom of hydrogen under go transition giving the spectral lines of lowest energy in the visible region of its atomic spectra.$R_H=1.1\times 10^7m^{-1},c=3\times 10^8msec^{-1}$ and $h=6.62\times 10^{-34}Jsec$

Question

$(a)\;182.5KJ\qquad(b)\;205KJ\qquad(c)\;150.89KJ\qquad(d)\;190.36KJ$