VVI QUESTIONS(ENERGY)

1. Differentiate between renewable and non-renewable source of energy with eg.
2. Fossil fuel is known as non-renewable source of energy, why?
3. Sun is called the ultimate source of energy, why?
4. Hydropower is efficient in the context of Nepal, why?
5. What are the necessary condition for nuclear reaction to take placein the sun.
6. Write the mechanism of  solar energy production in sun.
7. Define nuclear fusion and nuclear fission reaction with examples.
8. Define fossil fuel with example.
9. Write the major disadvantage of fossil fuel.
10. Define alternative source of energy with examples.
11. Define energy crisis with it's causes and solution.
12. Define geothermal energy, bio-mass, bio-gas and bio-fuel.
13. Write the name of any two radio active elements.
14. How can geothermal energy be obtained?
15. What is tidal energy?
16. Write the applications of coal and bio-gas.