Hydrogen gas is heated to the point at which there are electrons at atomic energy levels up to the n = 3 level. When electrons return to the ground state, what possible emission lines from which spectral sequences will result? See Figure 4-11. 
Definitions:
Inflation
An indicator of how quickly the overall price level for goods and services increases, leading to a decrease in buying power.
Inflation Premium
The additional yield that investors demand on securities to compensate for the loss of purchasing power due to inflation.
Nominal Interest Rate
The stated interest rate of a bond or loan, which does not account for inflation or the compounding of interest.
Bond Yield
The return an investor realizes on a bond, calculated as the annual interest payment divided by the bond's current market price.
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