Question

MCQ : Study of sun spectra the element first identified is

  • Matter: Atomic structure
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Answer

Question

Study of sun spectra, the element first identified is

  1. helium
  2. hydrogen
  3. uranium
  4. gold

Answer

helium

Explanation

The element first identified in the study of sun spectra is helium. In 1868, French astronomer Jules Janssen and English astronomer Joseph Lockyer observed a yellow spectral line that was later identified as helium.

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