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Physics · Oct / Nov 2025 · Paper 11 · Question 40

5054Stars

What is a protostar?

  1. Aa cloud of gas that is collapsing and decreasing in temperature
  2. Ba cloud of gas that is collapsing and increasing in temperature
  3. Ca star that is expanding and decreasing in temperature
  4. Da star that is expanding and increasing in temperature

As printed in the paper

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Correct answer: B. a cloud of gas that is collapsing and increasing in temperature

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