Physics
Nuclear Energy
नाभिकीय ऊर्जा
This Class 12 Physics topic from Chapter 13: Nuclei explains how energy is released from changes in the atomic nucleus. Students connect mass defect and binding energy with Einstein’s mass–energy relation, then study nuclear fission, fusion, chain reactions, and the basic working of a nuclear reactor. The topic also helps them distinguish controlled and uncontrolled reactions and understand the importance of radiation safety, energy production, and responsible use of nuclear technology.
Practice questions
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