| ⇦ | 
| ⇨ |
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: - The escape velocity of a body from earth’s surface is Ve. The escape velocity
- If dimensions of critical velocity of a liquid flowing through a tube are expressed
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- Magnetism of a magnet is due to
- 1 a.m.u. is equivalent to
Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The escape velocity of a body from earth’s surface is Ve. The escape velocity
- If dimensions of critical velocity of a liquid flowing through a tube are expressed
- The inductive reactance of an inductor of 1/π henry at 50 Hz frequency is
- Magnetism of a magnet is due to
- 1 a.m.u. is equivalent to
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
“r ∝ 1 / Z. For doubly ionised lithium, Z = 3
.·. r will be minimum.”