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Title: When chlorophyll a absorbs short-wavelength, blue light, an electron is energized (photoexcitation). Post by: jjyaolin on Nov 19, 2014 When chlorophyll a absorbs short-wavelength, blue light, an electron is energized (photoexcitation). If there is nothing present to accept the energized electron, the electron falls back to its initial (ground) state and releases the absorbed energy in the form of heat and light. Using what you know about the Laws of Thermodynamics, explain why the emitted light has a longer wavelength than the light initially used to excite the electron.
Title: Re: When chlorophyll a absorbs short-wavelength, blue light, an electron is energized (photoexcitati Post by: padre on Nov 19, 2014 Using what you know about the Laws of Thermodynamics, explain why the emitted light has a longer wavelength than the light initially used to excite the electron. I would say that it loses energy when the original wavelength is absorbed, even though some of the energy is reflected back. |