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I believe the question is asking for us to convert the values given in the table to fill in for the missing values. For instance, the table gives the frequency 8.7x10^(14) Hz, so it is asking us to calculate the corresponding wavelength, energy of the photon, and match to the corresponding event (i.e. was the student reading, getting an x-ray, microwaving popcorn, or sun tanning).
Question 1A.11 asks why spectral lines are classified as being in different series. The lines show the energy difference from on discrete energy level to another, i.e from n=4 to n=2. The way that they are classified is based on the lowest energy level, for example Lyman series the lowest energy level is n=1 in the UV region and Balmer series n=2 is the lowest energy level in the visible region.
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