Physics 5054 · O Level · Transfer of thermal energy

Transfer of thermal energy — practice question

During a camping trip, a student cools a sealed bottle of water that is at the same temperature as the surrounding air. Which method cools the water at the highest rate?

  • AWrap the bottle in aluminium foil and place it in a shady place.
  • BWrap the bottle in dry, white paper and put it in a sunny place.
  • CWrap the bottle in foam and put it in a breeze.
  • DWrap the bottle in wet paper and put it in a breeze.

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