Physics 0625 · IGCSE · Light

Light — practice question

A person is positioned $1.0\,\text{m}$ in front of a plane mirror. The mirror is then moved away from the person at a speed of $1.0\,\text{m/s}$. Which statement is correct?

  • AThe image moves away from the person at a speed of $1.0\,\text{m/s}$.
  • BThe image moves away from the person at a speed of $2.0\,\text{m/s}$.
  • CThe image moves towards the person at a speed of $1.0\,\text{m/s}$.
  • DThe image moves towards the person at a speed of $2.0\,\text{m/s}$.

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