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in emission spectrum of hydrogen, which series of spectrum has weak intensity and strong intensity and why? please answer as soon as possible

sana asif , 13 Years ago
Grade 12
anser 1 Answers
Aman Bansal

Last Activity: 13 Years ago

Dear Sana,

A hydrogen discharge tube is a slim tube containing hydrogen gas at low pressure with an electrode at each end. If you put a high voltage across this (say, 5000 volts), the tube lights up with a bright pink glow.
If the light is passed through a prism or diffraction grating, it is split into its various colours. What you would see is a small part of the hydrogen emission spectrum. Most of the spectrum is invisible to the eye because it is either in the infra-red or the ultra-violet.
The photograph shows part of a hydrogen discharge tube on the left, and the three most easily seen lines in the visible part of the spectrum on the right.

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