This introduction to nuclear physics provides an excellent basis for a core undergraduate course in this area. The authors show how simple models can provide an understanding of the properties of nuclei, both in their ground and excited states, and of the nature of nuclear reactions. They include chapters on nuclear fission, its application in nuclear power reactors, the role of nuclear physics in energy production and nucleosynthesis in stars.
Physics has an important role in our life. Without physics and the work of
physicists, our modern life would not exist. Using physics, people created machines,
instruments and some different divices from the crudest to the most modern aspect.
Techology is developed more rapidly, more modern day by day.
Moreover, all other natural sciences- example chemistry, biology, medicinedepend
upon physics for the foundations of their knowledge.
Physics is as well as basic science because the physical laws governing all other natural sciences. This means that the natural sciences as biology, chemistry, geography ... study only specific parts of nature and must comply with the laws of physics. For example, the chemistry of these substances are governed by the physical laws of quantum mechanics, thermodynamics and electromagnetism.
Nuclear Medicine is a fascinating application of nuclear physics. This wikibook is intended to support a basic introductory course in an early semester of an undergraduate program. It assumes that students have completed decent high school programs in maths and physics and are concurrently taking subjects in the medical sciences.
This dissertation is constructed by an overview, three chapters and the conclusion; the general knowledge of nuclear physics, astrophysics and the goals of this work are mentioned in the first chapter; the basic theory of the stellar reaction rate and the matrix method used to determine reaction rate is also mentioned in this part.
The world faces serious difficulties in obtaining the energy that will be needed in coming decades for a growing population, especially given the problem of climate change caused by fossil fuel use. This book presents a view of nuclear energy as an important carbon-free energy option. It discusses the nuclear fuel cycle, the types of reactors used today and proposed for the future, nuclear waste disposal, reactor accidents and reactor safety, nuclear weapon proliferation, and the cost of electric power.
Because of their apparent “simplicity” simple atoms present a great challenge
and temptation to experts in various branches of physics from fundamental problems
of particle physics to astrophysics, applied physics and metrology. This
book is based on the presentations at the International Conference on Precision
Physics of Simple Atomic Systems (PSAS 2002) whose primary target was to
provide an effective exchange between physicists from different fields.
According to classical physics the particle cannot be
a wave, and the wave cannot be a particle. However,
Einstein, while explaining the photoelectric effect
(PEE), postulated that electromagnetic radiation has
a dual wave-particle nature. He used the term photon
to refer to the particle of electromagnetic radiation. He
proposed a simple equation to relate the energy of the
photon E to the frequency n and wavelength l of
– PHYSICAL SCIENCE –
Each kind of atom or molecule can gain or lose energy only in particular discrete amounts. When an atom gains energy, light at the wavelength associated with that energy is absorbed. When an atom loses energy, light at the wavelength associated with that energy is emitted. These wavelengths can be used to identify elements.
This chapter gave you a crash course in the basics of physical science. Here are the most important concepts to remember:
➧ All matter is composed of tiny particles ➧ ➧ ➧ ➧ ➧ ➧
An equation is a statement of equality: Whatever is on the left-hand side of any equation is equal to whatever is
on the right-hand side. The symbols in an algebraic equation usually cannot have arbitrary values if the equality
is to hold. To solve an equation is to find the possible values of these symbols. The solution of the equation
5x − 10 = 20 is x = 6 because this is the only value of x for which this equation is a true statement.
The algebraic procedures that can be used to solve an equation are all based on the principle that any
This thesis presents time-resolved measurements of the spin evolution of transient carrier populations in III-V quantum wells. Non-equilibrium distributions of spin polarisation were photoexcited and probed with picosecond laser pulses in three samples; a high mobility modulation n-doped sample containing a single GaAs/AlGaAs quantum well, an In0.11Ga0.89As/GaAs sample containing three quantum wells and, a multi-period GaAs/AlGaAs narrow quantum well sample.
Infrared radiation is a type of electronmagnetic radiation (a wave with electricity) . The wave is longer than light which humans can see and shorter than microwaves. • The name means "below red". The word "Infrared" is from the Latin infra ("below") and red, which has the longest wave for light.