February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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15Thermal Conduction Convection RadiationMedium1 mark
Equal volumes of water at 100 C are put in four containers. Two containers have matt black sides and two containers have shiny white sides. One of each type of container has a lid. The containers are left for two minutes. Which container of water has the highest temperature?
four identical beakers each with a thermometer: A matt black sides, no lid; B matt black sides, with a lid; C shiny white sides, no lid; D shiny white sides, with a lid