[填空题]
Hydrogen exhibits two euuox(mr8r17wtd 6;n s mission b 4l/: za(vqhjlines, D1 and D2. D1 has a wavelength of 656nm and D2 has a freqq b:/v aj(4zlhuency $6.17\times10^{14}s^{-1}$.
1.Calculate the frequency of the D1 emission line of hydrogen. $\times10^{14}s{-1}$
2.Calculate the wavelength of the D2 emission line of hydrogen. $\times10^{-9}$m
3.Compare the two emission lines, and using the Data Booklet, suggest which of the emission lines is most likely to be red.
