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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
- Two parallel beams of positron moving in the same direction will
- Which one of the following is not due to total internal reflection?
- If c is the velocity of light in free space, the time taken by light to travel
- The half-life of radioactive element is 600 yr. The fraction of sample
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
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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