Subject: General Science
Book: NCERT Science Class 10
Energy is essential for daily life and industrial processes.
- **Conventional Energy Sources**:
- Fossil Fuels (Coal, Petroleum, Natural Gas).
- Thermal and Hydro Power Plants.
- **Non-Conventional Energy Sources**:
- Solar, Wind, Geothermal, Biomass Energy.
- **Environmental Impact**:
- Fossil fuels cause pollution and climate change.
- Renewable sources are eco-friendly.
**Possible Exam Questions:**
1. Differentiate between conventional and non-conventional energy sources.
2. Why are fossil fuels considered non-renewable?
3. How does solar energy work? Discuss its advantages.
4. What are the environmental effects of using coal and petroleum?
5. Discuss the role of India in promoting renewable energy.
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