please explain s. What are the conditions on the incoming light wave in order fo

Question

please explain

s. What are the conditions on the incoming light wave in order for it to interact with the oncillabtort (Hint again, think about resonance). 2 What aspects of the molecule affect what light is absorbed? In the first part of this problems you explored using a harmonic weillator to model the interaction betwoen light and a molecule. Recall the natural frequency of a harmonic oscillator is defined by on between nm 5. In modeling the molecule as a harmonie oscillator, what could be changed about the actual molecule that would alter the values of k and m, and therefore the natural frequency? If you changed the molecule in this way, what would change about the light that it could absorb? 6. Use your reasoning to explain why C-O and C-O absorb light at different wavelengths. Which one would you predict absorbs light with the largest wavelength? Does the graph on the first page confirm this prediction?

Explanation / Answer

hi,

in accordance with chegg policy i am answering the first question in details kindly ask other as separate questions.

here the molecule is treated as a harmonic oscillator to understand how it interacts with the incoming light wave now in accordance with the comparision between the frequencies of oscillator and the light three outcomes are possible

1. ABSORPTION – When a light wave with a identical frequency to an electron’s natural frequency “ collides with an atom, the electrons will begin to vibrate as a result (the case of resonance). The electrons will absorb the light wave (because it has the same vibrational frequency) and turn it into a vibrational motion ;in turn, bumping up against the neighboring atoms, which changes the vibrations into thermal energy.

2. REFLECTION – This occurs when the frequency of the incoming light wave does not match that of the electrons’ natural frequency. If the object is opaque the electron vibrations are not “passed down” like during absorption. Rather, the surface-level electrons vibrate briefly before emitting that wave back out.

3. TRANSMISSION - it involves transparent or semi-transparent objects. The atoms take in the wave, vibrate briefly (but at a small amplitude – not like during absorption, when they vibrate with large amplitudes), transfer the vibrations throughout the body of the material, and then re-emit the wave as light out the other end.

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