Nuclei - Result Question 40

41. Solar energy is mainly caused due to

[2003]

(a) gravitational contraction

(b) burning of hydrogen in the oxygen

(c) fission of uranium present in the Sun

(d) fusion of protons during synthesis of heavier elements

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Answer:

Correct Answer: 41. (d)

Solution:

  1. (d) As a result of fusion, enormous amount of heat is liberated which is the main cause of source of solar energy.