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Nuclear Physics - General Science, Exam Preparation Video Lecture | General Test Preparation for CUET

159 videos|341 docs|385 tests

FAQs on Nuclear Physics - General Science, Exam Preparation Video Lecture - General Test Preparation for CUET

1. What is nuclear physics?
Ans. Nuclear physics is the branch of science that studies the properties and behavior of atomic nuclei, including their composition, structure, and interactions. It focuses on understanding the forces that hold atomic nuclei together, as well as the processes that occur within them, such as nuclear reactions and decay.
2. How are nuclear reactions different from chemical reactions?
Ans. Nuclear reactions involve changes in the nucleus of an atom, whereas chemical reactions involve changes in the arrangement of electrons around the nucleus. Nuclear reactions release or absorb much larger amounts of energy compared to chemical reactions, and they can transform one element into another by changing the number of protons and neutrons in the nucleus.
3. What is nuclear decay and what are its types?
Ans. Nuclear decay refers to the spontaneous transformation of an unstable atomic nucleus into a more stable configuration. There are several types of nuclear decay, including alpha decay (emission of an alpha particle), beta decay (emission of a beta particle), and gamma decay (emission of a gamma ray). Each type of decay involves the release of energy and leads to a change in the atomic composition of the nucleus.
4. How is nuclear energy generated?
Ans. Nuclear energy is generated through a process called nuclear fission, where the nucleus of an atom is split into two smaller nuclei. This process releases a large amount of energy in the form of heat, which is used to produce steam. The steam then drives a turbine, which in turn generates electricity. Nuclear power plants utilize controlled nuclear fission reactions to produce electricity on a large scale.
5. What are the applications of nuclear physics in daily life?
Ans. Nuclear physics has various applications in daily life. Some notable examples include nuclear medicine (diagnosis and treatment of diseases using radioactive materials), radiocarbon dating (determining the age of ancient artifacts), and nuclear imaging techniques (such as PET scans). It also plays a crucial role in nuclear power generation, which provides a significant portion of the world's electricity. Additionally, nuclear physics research contributes to our understanding of the fundamental properties of matter and the universe.
159 videos|341 docs|385 tests
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