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In which of the following systems will the radius of the first orbit (n=1) be minimum?
Options
(a) Single ionised helium
(b) Deutron atom
(c) Hydrogen atom
(d) Doubly ionised lithium
Correct Answer:
Doubly ionised lithium
Explanation:
r ∝ 1 / Z. For doubly ionised lithium, Z = 3
.·. r will be minimum.
Related Questions: - Which one of the following equations of motion represents simple harmonic motion?
- An explosion breaks a rock into three parts in a horizontal plane
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following equations of motion represents simple harmonic motion?
- An explosion breaks a rock into three parts in a horizontal plane
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
- When a mass M is attached to a spring of force constant K,
- CO₂ laser uses
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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“r ∝ 1 / Z. For doubly ionised lithium, Z = 3
.·. r will be minimum.”