1. According to Plancks equation, the energy of a monochromatic light beam depen

Question

1. According to Plancks equation, the energy of a monochromatic light beam depends only on its _____.

2. A photon can interact with an electron in a molecule, atom or ion, in which the electron is elevated from a _____ electronic state to a _____ state.

3. Since electronic states in molecules or ions are quantized, absorption of quanta occurs at a characteristic _____.

4. The amount of light (or the number of photons) absorbed depends, among other things on the number of electrons that undergo the electronic transition. In a solution, this number epends on the optical path and the _____ of the solution.

Explanation / Answer

1)frequency

E=hf

2)lower energy state to a higher energy state

3)energy

4)optical density (the refractive index)

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