Physics 0625 · IGCSE · Stars and the Universe

Stars and the Universe — practice question

How far does light travel in one year?

  • A$5.9 \times 10^{15}\,\text{m}$
  • B$5.9 \times 10^{15}\,\text{km}$
  • C$9.5 \times 10^{15}\,\text{m}$
  • D$9.5 \times 10^{15}\,\text{km}$

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