Class 12 physics chapter Atom free mcq test quiz

#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!

Check Class 12th Physics Atom Chapter Knowledge

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12th Physics: Atom

1 / 10

1. 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)

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2 / 10

2. According to classical theory, the circular path of an electron in Rutherford atom model is

spiral

circular

parabolic

straight line

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3 / 10

3. In Bohr model of hydrogen atom, let P.E. represents potential energy and T.E. represents the total energy. In going to a higher level.

P. E. decreases, T.E. increases

P. E. increases, T.E. decreases

P. E. decreases, T.E. decreases

P. E. increases, T.E. increases

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4 / 10

4. As one considers orbits with higher values of n in a hydrogen atom, the electric potential energy of the atom

decreases

increases

remains the same

does not increase

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5 / 10

5. Suppose potential energy between electron and proton at separation r is given by U : K ln (r), where K is a constant. For such a hypothetical hydrogen atom, the ratio of energy difference between energy levels (n : 1 and n : 2) and (n : 2 and n : 4) is

1

2

3

4

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6 / 10

6. Hydrogen atom excites energy level from fundamental state to n : 3. Number of spectral lines according to Bohr, is

4

3

1

2

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7 / 10

7. The first spectral series was disscovered by

Balmer

Lyman

Paschen

Pfund

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8 / 10

8. The ratio of the energies of the hydrogen atom in its first to second excited states is

1-Apr

4-Sep

9-Apr

4

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9 / 10

9. The ionization energy of hydrogen atom is 13.6 eV. Following Bohr’s theory, the energy corresponding to a transition between 3rd and 4th orbit is

3.40 eV

1.51 eV

0.85 eV

0.66 eV

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10 / 10

10. In the hydrogen atom, an electron makes a transition from n : 2 to n : 1. The magnetic field produced by the circulating electron at the nucleus

decreases 16 times

increases 4 times

decreases 4 times

increases 32 times

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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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Mohit Sinha

I’m Mohit Sinha! With a Master’s degree in Physics, I bring a deep understanding of the subject to my teaching. I specialize in guiding students through the complexities of Physics for 11th and 12th grades and also offer English instruction from 1st to 12th grade. When I'm not in the classroom, I'm passionate about creating engaging educational content for QuizRanker.org, where I help make learning both fun and effective.

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