3. The deuteron has approximately twice the mass of the proton. Calculate the difference in the wavelength of the Balmer-a line in hydrogen and deuterium.
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![3. The deuteron has approximately twice the mass of the proton. Calculate the
difference in the wavelength of the Balmer-a line in hydrogen and deuterium.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F62cf0025-2a72-406a-bc17-39c2a0537bca%2Ffaf62520-c434-4a1a-be04-069c5386ca13%2Fiow9ryh_processed.png&w=3840&q=75)
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