Question : In which region of the electromagnetic spectrum does the Lyman series of hydrogen atoms lie?
Option 1: Visible
Option 2: Infrared
Option 3: Ultraviolet
Option 4: X-ray
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Correct Answer: Ultraviolet
Solution : The correct answer is Ultraviolet.
Since the lowest energy of the Lyman series line is 10.2 eV, which is in the ultraviolet region, all of the series' lines are located there. Along the electromagnetic spectrum, ultraviolet radiation lies between visible light and X-rays. The wavelength range of UV "light" is roughly between 10 and 400 nanometres.
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