Radioactivity is a spontaneous process. It goes on independent of external control. it is not affected by temperature or pressure […]
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Peaceful Uses of Radiation Although scientists have only known about radiation since the 1890s, they have developed a wide variety […]
Nuclear Energy The protons and neutrons (nucleons) in the nucleus of each atom are held together by very powerful nuclear […]
In 1913 Niels Henrik Bohr published his new theory of the atoms constitution. Just like Rutherford he assumed that electrons rotate around the nucleus. […]
Modern atomic theory provides a reasonably satisfactory explanation of the properties of matter, the mechanisms of chemical change and the […]
Capacitance in AC Circuits When capacitors are connected across a direct current DC supply voltage they become charged to the […]
Up to this point inductance and capacitance have been explained individually in ac circuits. The rest of this part will […]
Alternating current Direct current (DC) circuits involve current flowing in one direction. In alternating current (AC) circuits, instead of a […]
Welcome to Stoplearn.com online secondary school 3. Here you can learn Physics for Senior Secondary School 3 online free of […]
A magnet is a piece of material that can attract iron and other ferromagnetic material. Generators used in production of […]