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Stability of Stars

Which of the ...

Question

Which of the following statements about degeneracy pressure is not true?

A

Degeneracy pressure varies with the temperature of the star.

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B

Degeneracy pressure can halt gravitational contraction of a star even when no fusion is occurring in the core.

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C

Degeneracy pressure keeps any protostar less than 0.08 solar mass from becoming a true, hydrogen-fusing star.

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D

Degeneracy pressure supports white dwarfs against gravity.

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Solution

The correct option is A Degeneracy pressure varies with the temperature of the star.
Degeneracy pressure is the pressure which prevent the neutron star from becoming the Black hole.
Degeneracy pressure does not varies with the temperature of the star.

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