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the phenomenon of obtaining a degenerate basic feasible solution in a linear programming problem known as degeneracy.
Degeneracy in a transport problem arises when the number of occupied cells is less then: (number of columns + number of rows)-1
electron degeneracy pressure
This is a guess, but I suspect the person means the electron degeneracy pressure.
Your Answer:that sex should only be engaged in for procreative purposes
Two or more different states of a quantum mechanical system are said to be degenerateif they give the same value of energy upon measurement. The number of different states corresponding to a particular energy level is known as the degeneracy of the level, as zeeman effect split the spectral lines in to several components having slight differences in freguency, as frequency corresponds to energy I think in this way degeneracy of energy levels is removed.
The core contracts and becomes a black hole.
True.
Neutron degeneracy pressure, in which the neutrons themselves prevents further collapse.
White dwarfs are prevented from collapsing further by electron degeneracy pressure. If the mass of a stellar remnant exceeds the Chandrasekhar limit, about 1.4 solar masses, gravity will overcome this pressure and form a much smaller and denser neutron star. Further collapse in a neutron star is prevented by neutron degeneracy pressure up until the Tolman-Oppenheimer-Volkoff limit of about 3 solar masses, at which point gravity causes a complete collapse, forming a black hole.
Further collapse of a white dwarf is prevented by electron degeneracy pressure.
Simply, neutron star is a big nuclear - of 10km radius and solar mass (mass density about  1017- 1018 kg/m3). The material in a white dwarf is supported by electron degeneracy pressure. The physics of degeneracy yields a maximum mass for a non-rotating white dwarf, the Chandrasekhar limit-approximately 1.4 solar masses-beyond which it cannot be supported by electron degeneracy pressure. The density of white dwarf is - 109 kg/m3. So its radius is much bigger 10km, but the mass can be less, as well as bigger of solar mass.