A

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Q. Why does'nt the hydrogen atom emit X-rays?

  • (A) It is very small in size
  • (B) It has only one electron
  • (C) Its energy levels are very close to each other
  • (D) It is highly electropositive
  • Correct Answer - Option(C)
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  • Filed under category Physics
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Explanation by: Admin
For an atom to emit X-rays it should have difference in energy levels.

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