Physics

Problem

Two emission lines from the same atom are measured as

2.50\pm0.05\,\text{eV}

(transition from level 3 to level 2) and

1.50\pm0.05\,\text{eV}

(transition from level 2 to level 1). Which of the following ranges is most consistent with the possible energy of level 3 relative to level 1? a)

3.95\,\text{eV}

4.05\,\text{eV}

3.93\,\text{eV}

4.07\,\text{eV}

3.90\,\text{eV}

4.10\,\text{eV}

4.05\,\text{eV}

4.15\,\text{eV}