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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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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- Frequency of stretched string will increase by
- Colours appear on a thin soap film and soap bubbles due to the phenomenon of
- The excitation potential of hydrogen atom in the first excited state is
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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