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The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate of a hydrogen-atom absorbs a photon of energy 12.75 eV. How many different spectral lines can one expect when the electron make a downward transition?
Options
(a) 1
(b) 4
(c) 2
(d) 6
Correct Answer:
6
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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¹H+⁷Li→⁴He+⁴He
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A solid sphere is rotating in free space.If the radius of the sphere is increased
- The current in the windings of a toroid is 2.0 A. There are 400 turns
- The control rods used in a nuclear reactor can be made up of
- The half-life period of a radio-active element X is same as the mean life time
- What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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