Physics 0625 · IGCSE · Stars and the Universe

Stars and the Universe — practice question

(a)[3]

Describe the process by which a black hole is formed from a star of greater mass.

(b(i))[1]

Describe the meaning of a light-year.

(b(ii))[2]

Calculate the approximate distance, in km, from V404 Cygni to the Earth.

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This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hydrogen is used up / converted into helium” …

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