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Why is it important that a crime tech know about wavelengTHS and light energy?
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What happens to the energy in the wavelengths of light that are not reflected?
they are absorbed
What is a form of energy with wavelengths that are longer than those of red light?
infrared light
Is photon energy the same for all wavelengths of light?
False
What are the most energy rich wavelengths of light?
The most energy rich colors of light are those with the shortest wavelength - violet or blue
Red light is low energy and has long wavelengths?
Violet light has a short wavelength, high frequency, and high energy. Red light has a much higher wavelength than violet light.
Why are Chlorophyll b and the carotenoids important as receptors of light energy?
These pigments are able to absorb more wavelengths of light (and thus more energy) than chlorophyllaalone can absorb. As part of light-harvesting complexes in photosystems, they broaden the range of light that can be used in the light reactions.
Light energy with wavelengths longer than visible red?
Light energy with wavelengths longer than visible red is infrared light.
Can heat be used as an energy source when there is no light for plant growth?
No. Certain wavelengths of light are needed for photosynthesis. The appropriate wavelengths are not present in purely thermal energy.
What happens to the energy in the wavelengths of light that are not reflected?
they are absorbed
Photo energy is the same for all wavelengths of light?
False
What causes an atom to release energy in the form of visible wavelengths of light?
When an atom releases energy in the form of visible wavelengths of light, it indicates that an electron in that atom has gone from an excited energy level, back down to a lower energy level.
What is a form of energy with wavelengths that are longer than those of red light?
infrared light
What wavelengths of visible light can plants use as a source of energy?
Most of the visible light spectrum except green wavelengths is absorbed by the chlorophyll molecule and is usable in photosynthesis as a source of energy for plants.
What type of invisible energy with shorter wavelengths then violet?
This is the ultraviolet light.
Is photon energy the same for all wavelengths of light?
False
What are the most energy rich wavelengths of light?
The most energy rich colors of light are those with the shortest wavelength - violet or blue
Wavelenghts at which planets emit enregy?
Most planets absorb energy in the light and UV (and shorter) wavelengths. Planets radiate energy in the infrared (heat) and longer wavelengths.
