Following statements are given for atom in ground state. Choose CORRECT statement :-

Options

• Option A

  Helium (He) can not emit Kβ characteristic X-rays but can emit Kα characteristic X-rays.

• Option B

  Helium (He) can emit Kα as well as Kβ characteristic X-rays.

• Option C

  Lithium (Li) can not emit Kβ characteristic X-rays but can emit Kα characteristic X-rays.

• Option D

  Lithium (Li) can emit Kα as well as Kβ characteristic X-rays.