The object is fixed relative to the motion you are trying to describe.
Answer: Its A because i had the same question and it was a
It is determined by the nature of the green light. Because lasers create light at almost a single frequency, green laser light would appear as a thin line of pure green. Other sources of "green" light emit light at a variety of frequencies, including yellow and blue, resulting in a strong green band in the center that fades into blue-green and yellow-green at the borders.
For example, here’s a graph of the spectrum of a green LED, showing the color range: Attachment #1
and here’s a graph of the transmission spectra of several standard photographic filters, including green: Attachment #2
Learn more about the color spectrum:
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a rainbow comes from spreading all the white light the (light containing all colors) from the sun.
<span>The colors in the spectrum of an atom , Comes from the energy given up by transitions of electrons from one to another . The only colors are those whose photons have energies equal the same amount of energy changes that electrons in a particular atom can undergo.</span>