HC Verma The Nucleus Solutions (Chapter 46)
HC Verma Solutions for Class 12 Physics Part-2 Chapter 46 consists of detailed solutions to all the questions available in each exercise. This chapter of HC Verma Class 12 Physics Solutions has 4 exercises with a total of 94 questions. Major topics covered in these questions include properties of nucleus, nuclear forces, binding energy, radioactive decay, law of radioactive decay, properties and uses of nuclear radiation, nuclear fission, and nuclear fusion.
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Important Topics for HC Verma Concepts of Physics Part-2 Solutions Chapter 46: The Nucleus
The nuclear force is defined as the force that acts among the neutrons and protons of atoms. Nucleons, protons, and neutrons are affected by the nuclear force.
The minimum energy that is essential to disassemble a system of particles into different parts, this type of energy is known as the binding energy. The energy level of a bound system is typically less than its unbounded elements.
When an unstable atomic nucleus loses energy by radiation then this process is known as the radioactive decay. A material that contains unstable nuclei is treated radioactive. There are three types of radioactive decay:
- 𝛼 decay
- β decay
- ℽ decay
All the decay engaged emitting one or more photons or particles.
Law of Radioactive Decay
The law of radioactive decay is defined as a radioactive material going through either 𝛼 or β or ℽ decay, the total quantity of nuclei going through the decay per unit time is directly proportional to the total number of nuclei in the given sample material.
Uses of Nuclear Radiation
Some uses of nuclear radiations are:
- To study living organisms
- To treat and diagnose diseases
- To sanitize medical instruments and food
- To generate electric power and energy of heat
- To observe many steps in all types of industrial processes
According to nuclear fission, a radioactive decay process or a nuclear reaction in which the nucleus of an atom divides into two or smaller, lighter nuclei.
Nuclear fusion is defined as a reaction in which two or more atomic nuclei are connected to form one or more distinct subatomic particles and atomic nuclei. The difference in mass among the products and reactants is manifested as either the absorption or the release of energy.
Uranium Fission Reactor
In nuclear fission, uranium is the fuel generally used by nuclear plants. Although Uranium is a common metal found in rocks worldwide even then it is considered a non-renewable energy source. U-235 is a kind of uranium which is used by nuclear power plants.
Exercise-wise Discussion for HC Verma Concepts of Physics Part-2 Solutions Chapter 46: The Nucleus
Exercise 1 – Short Answer Type Questions
The first exercise of the HC Verma The Nucleus Solutions and has around 12 questions which are short answer type questions. These questions are related to the half-life period and atoms of uranium and the counts emitted from the source, the number of atoms collapsed, and the number of decays.
Exercise 2 – Multiple Choice Questions I
This exercise has around 19 objective type questions based on the topics like properties of the nucleus, nuclear forces, binding energy, and radioactive decay.
Exercise 3 – Multiple Choice Questions II
This exercise set also consists of 10 objective type questions. These questions are different from those of the questions available in Exercise 2. In these questions, you will have two or more statements correct. These questions are based on topics like the law of radioactive decay, properties and uses of nuclear radiation, nuclear fission, and nuclear fusion.
Exercise 4 – Long Answer Type Questions
This is the last exercise of the chapter. In this exercise, you will have 53 long answer type questions. These questions are based on the energy released and momentum of positron and neutrino elements and many more. You need to provide a proper explanation of all the questions available in this exercise.
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