Choose the correct answer : (A) Fission is a thermonuclear process (B) Fusion is a thermonuclear process (C) Fusion is exothermic (D) Fission is exothermic
A
A and B
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B
B and C
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C
A and C
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D
B,C and D
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Solution
The correct option is C B,C and D At temperature of about 107K, light nuclei combine to give heavier nuclei. Hence, fusion reactions are called thermo nuclear reactions. In both fusion and fission reactions energy is released so they are known as exothermic reactions.