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Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV. The energy needed to remove the electron from the ion in ground state is
Options
(a) 13.6 eV
(b) 27.2 eV
(c) 40.8 eV
(d) 54.4 eV
Correct Answer:
54.4 eV
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin circular ring of mass M and radius R rotates about an axis through its centre
- Two balls are dropped from heights h and 2h respectively. The ratio of times
- The wavelength of the matter wave is independent of
- 180⁰ phase difference is obtained when light ray is reflected from
- The nuclear fusion reaction between deutrium and tritium takes place
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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