B. The difference between the mass of reactants and the mass of products.
C. The mass converted purely into radioactive waste.
D. The mass of the neutrons emitted.
Answer: Option B
Solution (By JKSSB Mock Tests)
In nuclear reactions, the total mass of the products is slightly less than the total mass of the original reacting nuclei. This missing mass is known as the 'mass defect'. According to Einstein's mass-energy equivalence principle (E = mc²), this tiny amount of missing mass is converted into the tremendous energy released during the reaction.
Explanation:
Isaac Newton formulated three laws of motion and law of universal gravitation in Principia (1687). He also contributed to calculus, optics. Galileo experiments on motion. Einstein relativity.
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