How does the finite range of the nuclear force relate to the fact that BE/A is greatest for A near 60?
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How does the finite range of the nuclear force relate to the fact that BE/A is greatest for A near 60?
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- Use the uncertainty principle ∆p ∆x > h/2 to calculate the minimum kinetic energy of a nucleon known to be confi ned in 2H. What is the de Broglie wavelength of this nucleon? Is this reasonable?Why is the number of neutrons greater than the number of protons in stable nuclei having A greater than about 40, and why is this effect more pronounced for the heaviest nuclei?Find stable nucides with A = 180 (Mase no) sing nudide chart?
- Complete the following nuclear reaction and identify the missing clement (use periodic tablc) 238U » He+? (1) 92Why is the density of nuclear excited states larger for higher excitation energies?56 Fe is among the most tightly bound of all nuclides. Itis more than 90% of natural iron. Note that 56 Fe has evennumbers of both protons and neutrons. Calculate BE/A , thebinding energy per nucleon, for 56 Fe and compare it withthe approximate value obtained from the graph
- Calculate the nuclear radii (in fm) of the following nuclides. (Round your answers to at least three significant figures.) (a) ?H | fm 24 (b) 12 | fm 59 (c) Ni 28 |fm (d) 197 Au 79 | fmWhat evidence supports the contention that the strong nuclear interaction can dominate over the electrical interaction at short distances within the nucleus?(b) An a particle has a range of 300 μm in a nuclear emulsion. What range would you expect for a) a He³ nucleus, (b) a H³ nucleus, each of the initial velocity as the a particle?