a
\(\,\,\lambda \,\, = \,\,\frac{{hc}}{E}\,\, = \,\,\frac{{6.6\,\, \times \,\,{{10}^{ - 34}}\, \times \,\,3\,\, \times \,\,{{10}^8}}}{{14.4\,\, \times \,\,{{10}^3}\, \times \,\,1.6\,\, \times \,\,{{10}^{ - 19}}}}\)

\(= \,\,\,0.8\,\, \times \,\,{10^{ - 10}}\,m\,\, = \,\,0.8\,Å\)

તરંગ લંબાઈ \({\text{X - }}\) કિરણો ના ક્ષેત્ર ની છે.