Class 12 physics chapter Atom free mcq test quiz for 2026 exam

#FreeQuiz #PhysicsQuiz #AtomQuiz #Class12Quiz Test your knowledge of Chapter- Atoms, with our free quiz series. Master atomic physics concepts, solve NEET-related questions, and enhance your preparation for Class 12 and competitive exams. Try it now!

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Check Class 12th Physics Atom Chapter Knowledge

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12th Physics: Atom

1 / 10

1. According to the Rutherford’s atomic model, the electrons inside the atom are

stationary

not stationary

centralized

None of these

2 / 10

2. In terms of Bohr radius r0, the radius of the second Bohr orbit of a hydrogen atom is given by

4 r₀

8 r₀

2 r₀

2 r₀

3 / 10

3. Bohr’s atom model is the modification of Rutherford’s atom model by the application of

newton's theory

huygen’s theory

maxwell’s theory

planck’s quantum theory

4 / 10

4. The significant result deduced from the Rutherford's scattering experiment is that

whole of the positive charge is concentrated at the centre of atom

there are neutrons inside the nucleus

α-particles are helium nuclei

electrons are embedded in the atom

5 / 10

5. In Rutherford's α -particle scattering experiment, what will be correct angle for α scattering for an impact parameter b : 0?

90º

270º

0º

180º

6 / 10

6. Rydberg’s constant is

same for all elements

different for different elements

a universal constants

is different for lighter elements but same for heavier elements

7 / 10

7. Excitation energy of a hydrogen like ion in its excitation state is 40.8 eV. Energy needed to remove the electron from the ion in ground state is

54.4 eV

13.6 eV

40.8 eV

27.2 eV

8 / 10

8. As an electron makes a transition from an excited state to the ground state of a hydrogen - like atom/ion

kinetic energy decreases, potential energy increases but total energy remains same

kinetic energy and total energy decrease but potential energy increases

its kinetic energy increases but potential energy and total energy decrease

kinetic energy, potential energy and total energy decrease

9 / 10

9. When an atomic gas or vapour is excited at low pressure, by passing an electric current through it then

emission spectrum is observed

absorption spectrucm is observed

band spectrum is observed

both (b) and (c)

10 / 10

10. Which of the following are in the ascending order of wavelength?

Hα, Hβ and Hγ lines of Balmer series

Lyman limit, Balmer limit

Violet, blue, yellow, red colours in solar spectrum

both (b) and (c)

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Chapter wise quiz of XII class physics

In the vast and captivating realm of physics, one of the most intriguing chapters is “Atoms,” which forms the cornerstone of modern science. As Class 12 students delve into the depths of atomic physics, mastering the concepts of atoms and nuclei becomes paramount. To aid in this quest for knowledge, a comprehensive “Atoms Free Test Quiz” is the perfect tool to sharpen their understanding and test their knowledge.

Understanding the Importance of Atoms: Atoms are the building blocks of matter, the very essence of everything that exists around us. This chapter unravels the mysteries of the atomic world, exploring the structure, properties, and behavior of atoms and their nuclei. Class 12 students are introduced to various models of the atom, including the Bohr model, and delve into topics like atomic spectra, isotopes, and nuclear reactions. The knowledge gained from this chapter serves as a foundation for advanced studies in quantum mechanics and nuclear physics.

The Significance of the Atoms Free Test Quiz: The Atoms Free Test Quiz is a valuable resource that provides students with a platform to assess their understanding and grasp of the subject matter. The quiz includes a wide range of Multiple Choice Questions (MCQs) with answers, carefully curated to cover all essential aspects of Chapter 12. Students can utilize this quiz to evaluate their knowledge, identify weak areas, and focus on improving their conceptual understanding.

Preparation for Neet Exams and More: As Class 12 students prepare for competitive exams like NEET, they require a comprehensive understanding of the atomic concepts. The Atoms Free Test Quiz includes NEET-related questions that challenge students and aid in their NEET preparation. By practicing these questions, students gain confidence and enhance their problem-solving abilities, crucial for excelling in competitive exams.

Benefits of the Atoms Free Test Quiz:

1. Comprehensive Coverage: The quiz covers all the essential topics of Chapter 12, ensuring a well-rounded understanding of atoms and nuclei.
2. Self-Assessment: Students can gauge their comprehension by attempting the quiz and track their progress over time.
3. NEET Preparation: With NEET-related questions included, students can fine-tune their preparation for competitive exams.
4. Concept Reinforcement: By tackling the MCQs, students reinforce their understanding of atomic physics and clarify any misconceptions.

In conclusion, the “Atoms Free Test Quiz” serves as a valuable tool for Class 12 students to grasp the intricacies of atomic physics. With its wide-ranging questions, detailed solutions, and NEET-related content, the quiz becomes an indispensable resource for both exam preparation and developing a profound knowledge of atoms and nuclei. So, embrace this opportunity, unlock the wonders of atomic physics, and embark on a journey of scientific exploration like never before!

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