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Molecular physics assignment help online is the study of the physical properties of molecules and of the chemical bonds between atoms. Its most important experimental techniques are the various types of Spectroscopy Assignment Help Online. The field is closely related to atomic physics assignment help online and overlaps greatly with theoretical chemistry assignment help online, physical chemistry assignment help online and chemical physics assignment help online. Additionally to the electronic excitation states which are known from atoms, molecules are able to rotate and to vibrate. These rotations and vibrations are quantized, there are discrete energy levels. The smallest energy differences exist between different rotational states, therefore pure rotational spectra are in the far infrared region (about 30 - 150 µm wavelength) of the electromagnetic spectrum. Vibrational spectra are in the near infrared (about 1 - 5 µm) and spectra resulting f...

 The Journal of Mathematical Physics assignment help online defines this area as: "the application of mathematics to problems in physics assignment help online and the development of mathematical methods suitable for such applications and for the formulation of physical theories.” There are several distinct branches of mathematical physics assignment help online, and these roughly correspond to particular historical periods. The theory of partial differential equations (and the related areas of variation calculus, Fourier analysis, potential theory, and vector analysis) are perhaps most closely associated with mathematical physics assignment help online. These were developed intensively from the second half of the eighteenth century (by, for example, D'Alembert, Euler, and Lagrange) until the 1930s. Physical applications of these developments include hydrodynamics, celestial mechanics assignment help online, elasticity theory, acoustics, the...

Astronomy assignment help online is a natural science that deals with the study of celestial objects (such as stars, planets, comets, nebulae, star clusters and galaxies) and phenomena that originate outside the Earth's atmosphere (such as the cosmic background radiation). It is concerned with the evolution, physics assignment help online, chemistry assignment help online, meteorology, and motion of celestial objects, as well as the formation and development of the universe. Astronomy assignment help online is one of the oldest sciences. Prehistoric cultures left behind astronomical artifacts such as the Egyptian monuments and Stonehenge, and early civilizations such as the Babylonians, Greeks, Chinese, Indians, and Maya performed methodical observations of the night sky. However, the invention of the telescope was required before astronomy assignment help online was able to develop into a modern science. Historically, astronomy assignment help o...

 Statistical mechanics assignment help online or statistical thermodynamics assignment help online, is a branch of physics assignment help online that applies probability theory, which contains mathematical tools for dealing with large populations, to the study of the thermodynamic behavior of systems composed of a large number of particles. Statistical mechanics assignment help online provides a framework for relating the microscopic properties of individual atoms and molecules to the macroscopic bulk properties of materials that can be observed in everyday life, therefore explaining thermodynamics assignment help online as a result of classical and quantum-mechanical description of statistics and mechanics assignment help online at the microscopic level. Statistical mechanics assignment help online provides a molecular-level interpretation of macroscopic thermodynamic quantities such as work, heat, free energy, and entropy. It enables the t...

Electromagnetism assignment help online is one of the four fundamental interactions of nature. The other three are the strong interaction, the weak interaction and gravitation. Electromagnetism assignment help online is the force that causes the interaction between electrically charged particles; the areas in which this happens are called electromagnetic fields. Electromagnetism assignment help online is responsible for practically all the phenomena encountered in daily life, with the exception of gravity. Ordinary matter takes its form as a result of intermolecular forces between individual molecules in matter. Electromagnetism assignment help online is also the force which holds electrons and protons together inside atoms, which are the building blocks of molecules. This governs the processes involved in chemistry assignment help online, which arise from interactions between the electrons orbiting atoms. Electromagnetism assignment help online ma...