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Atomic Physics Questions

Practice 16 Atomic Physics questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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16
Total Questions
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3
Easy
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12
Medium
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1
Hard
Practice by Exam:Physics(16)

About atomic physics — practice questions, PYQs & concepts

atomic physics is a frequently-tested topic on Physics. ExamTest.live currently lists 16 atomic physics questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

atomic physics weight in competitive exams

Across our atomic physics question bank, the largest sources are Physics (16). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 3 easy atomic physics questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
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  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Atomic Physics Questions(1–16 of 16)

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Q1easymcqPhysicsNEET 20192026
0% accuracy
The total energy of an electron in an atom in an orbit is . Its kinetic and potential energies are, respectively:
Q2mediummcqPhysicsAIEEE 20062026
0% accuracy
An alpha nucleus of energy bombards a heavy nuclear target of charge . Then the distance of closest approach for the alpha nucleus will be proportional to:
Q3mediummcqPhysicsAIEEE 20072026
0% accuracy
Which of the following transitions in hydrogen atoms emit photons of highest frequency?
Q4mediummcqPhysicsNEET 20172026
The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is:
Q5mediummcqPhysicsNEET 20222026
Let and be the energy of an electron in the first and second excited states of hydrogen atom, respectively. According to the Bohr’s model of an atom; the ratio is:
Q6mediummcqPhysicsNEET 20232026
In hydrogen spectrum, the shortest wavelength in the Balmer series is . The shortest wavelength in the Brackett series is:
Q7mediummcqPhysicsNEET 20232026
The radius of the innermost orbit of a hydrogen atom is . What is the radius of the third allowed orbit of the hydrogen atom?
Q8mediummcqPhysicsAIEEE 20092026
The transition from the state to in a hydrogen-like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from:
Q9mediummcqPhysicsFIITJEE AIEEE 2011 (Set Q)2026
Energy required for the electron excitation in from the first to the third Bohr orbit is:
Q10hardmcqPhysicsAIEEE 20122026
A diatomic molecule is made of two masses and which are separated by a distance . If we calculate its rotational energy by applying Bohr's rule of angular momentum quantization, its energy will be given by ( is an integer):
Q11mediummcqPhysicsPhysics
0% accuracy
Energy levels A, B and C of a certain atom correspond to increasing values of energy i.e., EA < EB < EC. If λ1, λ2 and λ3 are wavelengths of radiations corresponding to transitions C to B, B to A and C to A respectively, which of the following relations is correct ?
Q12mediummcqPhysicsPhysics
0% accuracy
The total energy of an electron in the first excited state of hyrogen is about - 3.4 eV. Its kinetic energy in this state is :
Q13mediummcqPhysicsPhysics
0% accuracy
The wavelength of the first line of Lyman series for hydrogen atom is equal to that of the second line of Balmer series for a hydrogen-like ion. The atomic number of the hydrogen-like ion is:
Q14mediummcqPhysicsPhysics
The total energy of an electron in the first excited state of hydrogen is about - 3.4 eV. Its kinetic energy in this state is :
Q15easymcqPhysicsPhysics
In the phenomenon of electric discharge through gases at low pressure, the coloured glow in the tube appears as a result of:
Q16easymcqPhysicsPhysics
The ground state energy of hydrogen atom is . When its electron is in the first excited state, its excitation energy is:

Frequently Asked Questions

How many Atomic Physics questions are on ExamTest.live?▼
We have 16 Atomic Physics questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Atomic Physics MCQs free?▼
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Which exams include Atomic Physics questions?▼
Atomic Physics questions are commonly asked in Physics. You can filter by exam using the links above.
How do I practice Atomic Physics questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.