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If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength of radiation required to excite the electron in Li⁺⁺ from the first to the third Bohr orbit and the number of different spectral lines observed in the emission spectrum of the above excited system are
Options
(a) 296 Å, 6
(b) 114 Å, 3
(c) 1026 Å, 6
(d) 8208 Å, 3
Correct Answer:
114 Å, 3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
- The moment of inertia of a thin circular disc about an axis passing through its centre
- When a p-n junction is reverse biased, then the current through the junction
- Charge Q is divided into two parts which are then kept some distance apart. The force
- If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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