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  1. Problems
  2. /Atomic Physics

Atomic Physics

Physics

Atomic structure and early quantum theory.

+ Upload a Problem
15 problems
Exam:
Type:
1.
The ion He⁺ has one electron and Z = 2. Its jumps from n = 5, n = 6 and n = 7 to n = 4 form the…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsJEE MainNEETAP+27APA-LevelIBStemPy LabStemPy Lab
Hard
2.
Hydrogen atoms jump between the first eight levels, in every possible way…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETAPA-Level+21APA-LevelIBStemPy LabStemPy Lab
Medium
3.
Hydrogen atoms give out a line when the electron jumps from the level n = 6 to n = 4…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsAPA-LevelIBAPA-LevelIBStemPy LabStemPy Lab
Easy
4.
A beam of electrons, each with a kinetic energy of 12.9 eV, passes through hydrogen gas whose atoms…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsJEE MainNEETAP+27APA-LevelIBStemPy LabStemPy Lab
Hard
5.
An electron is in the level n = 3 of hydrogen…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETAPA-Level+21APA-LevelIBStemPy LabStemPy Lab
Medium
6.
In the first orbit of hydrogen the radius is 0.529 × 10⁻¹⁰ m and the speed is 2.19 × 10⁶ m/s…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETAPA-Level+21APA-LevelIBStemPy LabStemPy Lab
Medium
7.
The ion Li²⁺ has one electron and a nucleus with Z = 3…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsAPA-LevelIBAPA-LevelIBStemPy LabStemPy Lab
Easy
8.
An alpha particle is fired straight at a lead nucleus, with Z = 82 and A = 208…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsJEE MainNEETAP+27APA-LevelIBStemPy LabStemPy Lab
Hard
9.
Alpha particles hit a gold nucleus head-on, at the same energy each time…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETAPA-Level+21APA-LevelIBStemPy LabStemPy Lab
Medium
10.
Alpha particles of energy 5.0 MeV pass a gold nucleus, with Z = 79…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETAPA-Level+21APA-LevelIBStemPy LabStemPy Lab
Medium
11.
An alpha particle of energy 7.6 MeV is fired straight at a silver nucleus, with Z = 47 and mass…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsAPA-LevelIBAPA-LevelIBStemPy LabStemPy Lab
Easy
12.
Hydrogen atoms are excited to the level n = 3…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsNEETBoard ExamAP+22APA-LevelIBStemPy LabStemPy Lab
Medium
13.
The Lyman series is every jump that ends on n = 1…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsJEE MainBoard ExamAP+27APA-LevelIBArnieArnie
Hard
14.
How much energy ionises (a) a hydrogen atom whose electron is in the level n = 5, and (b) a He⁺ ion…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsBoard ExamArnieArnie
Easy
15.
Find the energy of hydrogen's electron in the level n = 3…
High School (11–12) · Atoms and Atomic Spectra, Atomic PhysicsBoard ExamAPA-Level+1APA-LevelIBArnieArnie
Easy