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 gas is used in the process of welding?

View Question

What is the SI unit of power?

View Question

Which organ is responsible for detoxifying harmful substances in the human body?

View Question

Which type of radiation has the shortest wavelength?

View Question

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

View Question

Which planet has the strongest gravitational force?

View Question

What is the main component of natural gas?

View Question

Which type of bond is present in sodium chloride?

View Question

Which gas is most abundant in Earth’s atmosphere?

View Question

Which vitamin is responsible for blood clotting?

View Question