Karnataka Secondary Education Examination BoardKarnataka SSLC
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Different Forms of Energy

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notes

The different forms of energy are:

Mechanical energy: It is the sum of kinetic and potential energy of an object. Therefore, it is the energy obtained by an object due to motion or by the virtue of its location.

Example, a bicycle climbing a hill possesses kinetic energy as well as potential energy.

Thermal energy: It is the energy obtained by an object due to its temperature. It is also called Thermal Energy.

Example, energy possessed by a hot cup.

 

Nuclear energy: It is the energy present in the nucleus of an atom. Nuclear energy releases when the nucleus combines or separate. Therefore, we can say that every atom in this universe comprises of nucleus energy.

Example, uranium is a radioactive metal capable of producing nuclear energy in nuclear power plants

 

Chemical energy: It is the energy accumulated in the bonds of chemical compounds. Chemical energy is released at the time of chemical reactions.

Example, energy possessed by natural gas and biomass.

 

Kinetic energy:

Every moving object possesses some energy called Kinetic Energy. As the speed of the object increases so is its kinetic energy.

notes

GEOTHERMAL ENERGY:-

The energy obtained from hot molten rocks and hot fluid trapped inside the earth is called geothermal energy.

  • Due to geological changes, molten rocks formed in the deeper hot regions of earth’s crust are pushed upward and trapped in certain regions called hot spots.
  • When underground water comes in contact with the hot spot, steam is generated.
  • Sometimes hot water from that region finds outlets at the surface. Such outlets are known as hot springs.
  • The steam trapped in rocks is routed through a pipe to a turbine and used to generate electricity.
  • Though the cost of production would not be much, but there are very few sites where such energy can be exploited.

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  • Different Forms of Energy
  1. Solar energy
  2. Heat (or radiant) energy
  3. Light energy
  4. Chemical (or fuel) energy
  5. Hydro energy
  6. Electrical energy
  7. Nuclear energy
  8. Geothermal energy
  9. Wind energy
  10. Sound energy
  11. Magnetic energy
  12. Mechanical energy
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