સ્ટેશન \( I{I^{nd}}\,\,\,\lambda \,\, = \,\,\frac{C}{v}\,\, = \,\,\frac{{3 \times {{10}^8}\,m\,{{\sec }^{ - 1}}}}{{98.7 \times {{10}^6}\,{{\sec }^{ - 1}}}}\,\,\,\, = \,\,3.0395\,m\)
.......... $\times 10^{13} \mathrm{~Hz}$ છે. (નજીકનો પૂર્ણાંક).
[આપેલ : $R_H$ (રીડબર્ગ અયળાંક) = $2.18 \times 10^{-18} \mathrm{~J}, h$ (પ્લાન્ક
અચળાંક) $=6.6 \times 10^{-34}$ $J.s.$]
[ઉપયોગ કરો : $\sqrt{3}=1.73, h =6.63 \times 10^{-34} Js$ $m _{ e }=9.1 \times 10^{-31} kg ; c =3.0 \times 10^{8} ms ^{-1}$ $\left.1 eV =1.6 \times 10^{-19} J \right]$
( $m= 1.67 \times 10^{-27}\, kg, h = 6.63 \times 10^{-34}\, J\,s$)