What is a cyclotron? A cyclotron is a device which is used to accelerate charged particles. The main advantage of a cyclotron device over linear particle accelerators is that it uses the same acceleration gap many times. This ability makes it able to save a lot of space and therefore the cost. The high energy […]
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Atoms and Nuclei, Class 12, NEET, Physics, Radioactivity, alpha, beta, and gamma decayα-particle decay occurs when a parent nucleus releases an α particle (a nucleus of helium) with two neutrons and protons. The decay product’s charge on nucleus Z is two units minus the parent’s. Its nuclear mass A is four mass number units minus the parent’s because they expelled this quantity of nuclear charge, and mass
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Atoms and Nuclei, Class 12, NEET, Physics, Radioactivity, alpha, beta, and gamma decayAll the energy that is present in the environment is produced by a series of physical and chemical processes. In earlier times the production of energy took place by using materials that were rich in carbon such as wood and coal. Energy is also produced by utilising non-conventional sources such as sun, wind and water.
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Atoms and Nuclei, Class 12, NEET, Physics, Radioactivity, alpha, beta, and gamma decayAll matter is made up of atoms in different arrangements. Atoms are made up of protons, neutrons and electrons. Every proton has a positive charge and every electron has a negative charge. Neutrons have no charge; that is, it is neutral. It is a vital concept in nuclear physics. It is an indispensable part of
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Atoms and Nuclei, Class 12, NEET, Physics, Radioactivity, alpha, beta, and gamma decayRadioactivity is a process in which subatomic particles called photons are emitted from atoms. These photons can penetrate materials and cause chemical reactions on a microscopic level, causing materials to change. Radioactivity is the process by which certain substances emit radiation. This radiation can be either alpha, beta, or gamma. Alpha and beta radiation are
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Atoms and Nuclei, Class 12, NEET, Physics, Radioactivity, alpha, beta, and gamma decayIsotopes can be identified as the forms of chemical elements that hold the same or an equal number of electrons and protons, but have dissimilar numbers of neutrons. Isotopes are other forms of elements that vary in nuclei numbers due to dissimilarity in the numbers of neutrons in their nuclei. This includes prefixing the mass
Earth is the third planet from the sun and the only planet on which the survival of life exists. In terms of size and mass, it is the fifth-largest solar system planet. This planet consists of various elements, species, and living creatures. The survival of life on Earth is possible due to various elements of
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Atoms and Nuclei, Bohr’s model of the hydrogen atom, Class 12, NEET, PhysicsRutherford’s gold foil experiment showed that atoms are mostly empty space, with the positive charge concentrated in a nucleus. He realised this because most of the alpha particles passed straight through the piece of gold foil, with just a few deflected at huge angles. J.J Thomson was the first scientist who proposed the atom model,
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Atoms and Nuclei, Bohr’s model of the hydrogen atom, Class 12, NEET, PhysicsThe atomic hydrogen emission spectrum has been separated into a variety of spectral series, with wavelengths calculated using the Rydberg formula. Electrons in an atom transition between two energy levels, resulting in these spectral lines. Because it classified the series, the Rydberg formula was fundamental in the development of quantum mechanics. Spectral series are used
The Rydberg constant, abbreviated as Rfor heavy atoms or RH for hydrogen, is a physical constant related to an atom’s electromagnetic spectrum. It is named after Swedish physicist Johannes Rydberg. The constant was first introduced as an empirical fitting parameter in the Rydberg formula for the hydrogen spectral series, but Niels Bohr later demonstrated that
