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ARC-Easy / Mercury_SC_415738 / A dark colored wall becomes warm when the Sun is shining on it. After the Sun…

Problem

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question

A dark colored wall becomes warm when the Sun is shining on it. After the Sun sets, a person standing a meter away can feel warmth from the wall. How does heat transfer from the wall to the person?

choices

  • radiation
  • conduction
  • convection
  • insulation

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Source and history

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