Across
- 3. harmful effect of using fossil fuels
- 7. process by which bio gas is produced
- 9. a device that can focus parallel beams of suns energy to a point
- 11. major source of energy that is used in India to meet energy demands
- 15. phenomenon of converting solar energy into electrical energy
- 17. energy that is not ultimately derived from sun
- 18. project on narmada river that lead to social problems of rehabilitation of displaced people
Down
- 1. energy released on burning unit mass of a fuel
- 2. main component of CNG
- 4. fuel used in a nuclear reactor
- 5. process by which nuclear energy is generated
- 6. this state in India has the largest wind energy farm
- 7. vapours of this volatile liquid is used in ocean thermal energy conversion plant to run the turbine of generator
- 8. minimum temperature required by a substance for combustion
- 9. substance used in making solar cell
- 10. wind mill can be used to harness this energy of wind
- 12. component of sun light that has the property of heating any substance kept in its path
- 13. clothes of this colour should be avoided in summer so as to feel less hot
- 14. wood,cow dung, sugarcane, willow are examples of _____
- 16. fuel that has highest calorific value