Class 10 Science - Chapter Sources of Energy NCERT Solutions | Which of the following is not an example

Welcome to the NCERT Solutions for Class 10th Science - Chapter Sources of Energy. This page offers a step-by-step solution to the specific question from Excercise ".$ex_no." , Question 2: which of the following is not an example of a bio....
Question 2

Which of the following is not an example of a bio-mass energy source?

      (a) wood                     (b) gobar-gas
      (c) nuclear energy      (d) coal

Answer

(c) nuclear energy is not a biomass. 

Biomass is a source of energy that is obtained from plant materials and animal wastes.Wood is a plant material, gobar gas is formed from animal dung, and coal is a fossil fuel obtained from the buried remains of plants and animals, these are biomass products.  Nuclear energy is released during nuclear fission and fusion. In nuclear fission, uranium atom is bombarded with low-energy neutrons. Hence, uranium atom splits into two relatively lighter nuclei. This reaction produces huge amount of energy. In nuclear fusion reaction, lighter nuclei are fused together to form a relatively heavier nuclei. This reaction produces a tremendous amount of energy. 

 

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