Topic Details (Notes format)

Atoms and Nuclei

Subject: General Science

Book: NCERT Physics Class 12

Study of atomic structure and nuclear properties.
- **Bohr’s Model**:
- Energy levels and spectra.
- **Nuclear Reactions**:
- Fission and fusion.
- **Radioactivity**:
- Alpha, beta, and gamma decay.

**Possible Exam Questions:**
1. Explain the postulates of Bohr’s atomic model.
2. What is the significance of nuclear binding energy?
3. Differentiate between nuclear fission and fusion.
4. Define radioactivity and explain its applications.
5. How does Rutherford’s experiment lead to the nuclear model?

Practice Questions

Which of the following is a fundamental force in nature?

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Which law states that energy cannot be created or destroyed?

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What is the chemical formula of methane?

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Which organ in the human body produces bile?

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Which organ is responsible for filtering blood in the human body?

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What is the SI unit of temperature?

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Which organelle is responsible for photosynthesis in plants?

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Which process in plants is responsible for the loss of water vapor?

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What is the SI unit of power?

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Which process describes the splitting of a nucleus into smaller nuclei?

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