Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
What type of nuclear reaction is responsible for the liberation of energy:
(a) in a nuclear reactor?
(b) in the sun?
(a) The nuclear fission of the heavy nucleus of a radioactive atom is responsible for the liberation of energy in a nuclear reactor.
Explanation
Nuclear fission - It is defined as the splitting of a heavy nucleus into two lighter or daughter nuclei through a nuclear reaction. The heavy nucleus (such as uranium, plutonium thorium) is bombarded with low-energy neutrons, which results in the production of a high amount of energy.
Nuclear reactors are the heart of a nuclear power plant, which uses uranium as a nuclear fuel. They regulate and control nuclear chain reactions that produce heat through the physical process known as fission. And, this heat is used to make steam that spins a turbine to create electricity.
(b) The nuclear fusion of hydrogen nuclei into helium nuclei is responsible for the liberation of energy in the sun.
Explanation
Nuclear fusion - It is defined as the combining of two lighter nuclei into a heavier one through a nuclear reaction. Light nuclei have to be heated to extremely high temperatures, which results in the production of a relatively high amount of energy.
Nuclear fusion is the source of the Sun’s phenomenal energy production. The Hydrogen and Helium atoms that constitute Sun, fuses in a heavy amount [620 billion Kg of Hydrogen nuclei (protons) into Helium] every second to produce 384.6 trillion Joules of energy per second and make the sun a nearly inexhaustible source of energy.
88 Views
