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In this film I explain Bohr's atomic model and what it means for the light that atoms emit. Each atom has its own spectrum of light (only some of which is visible). This is because the electrons are in different energy levels. In this film I explain everything qualitatively. I therefore do not go into detail about how to calculate the energy or wavelength, and I therefore do not present any formulas. The level can therefore be suitable for either Physics C or Physics B.