15. When U-232 undergoes alpha decay to Th-228, a mass lost is sustained. (1) Find the mass defect for this process in amu and kg. (2) The mass lost during the decay is converted to kinetic energy. Use Einstein equation to calculate the kinetic energy in joules and in Mega-electron volts (MeV). The exact mass of U-232 is 232.0372 amu. The exact mass of Th-228 is 228.0287 amu. The exact mass of He is 4.0026 amu. 1 amu =1.6606 x 10 -27 kg. 1 MeV = 1.602 x 10*J. 232 228 Th 90 He Не 92
Nuclear Fusion
Nuclear fusion is a type of nuclear reaction. In nuclear fusion, two or more than two lighter atomic nuclei combine to form a heavier nucleus. During this process, an enormous amount of energy is released. This energy is called nuclear energy. Nuclear fusion is the energy source of the sun and stars.
Fusion Bomb
A fusion bomb is also known as a thermonuclear bomb or hydrogen bomb which releases a large amount of explosive energy during a nuclear chain reaction when the lighter nuclei in it, combine to form heavier nuclei, and a large amount of radiation is released. It is an uncontrolled, self-sustaining nuclear chain reaction where isotopes of hydrogen combine under very high temperature to form helium. They work on the principle of operation of atomic fusion. The isotopes of Hydrogen are deuterium and tritium, where they combine their masses and have greater mass than the product nuclei, get heated at high temperatures, and releases energy.
When U-232 undergoes alpha decay to Th-228, a mass lost is sustained.
1. Find the mass defect for this process in amu and kg.
2. The mass lost during the decay is converted to kinetic energy. Use Einstein equation to calculate the kinetic energy in joules and in Mega- electron volts (MeV). The exact mass of U-232 is 232.0372 amu. The exact mass of Th-228 is 228.0287 amu. The exact mass of He is 4.0026 amu.
1 amu= 1.6606 x 10-27 kg. 1 MeV = 1.602 x 10-13 J.
232 92 U -----> 228 90 Th + 4 2 He
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