Spectroscopy Questions 1. What property(ies) do light and matter have in common

Question

Spectroscopy Questions

1. What property(ies) do light and matter have in common that allow them to interact? What change occurs in a chemical species when light is absorbed or emitted?

2. Considering the four transitions of the Balmer series, why might some experimenters only identify three of the four lines? (Hint: How might position, intensity, and separation from a neighboring line limit your ability to identify a transition?)

3. Using your data and calculations, state the relationship between energy, frequency and wavelength.

Explanation / Answer

1. Light has both wave nature and particle nature. Light can interact with particle matters owing to this particle nature.

When a chemical species absorb energy, the electrons take up the energy and goes to higher energy orbitals. If the energy is high enough , electrons can go to a infinity distance to cause permanent ionization. Similarly when light energy is emitted , electrons come down from higher energy state to lower energy state.

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