2.3.1. Conduction
A subsection of Physics, 0625, through 2. Thermal physics
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A copper cooking pan contains water. shows the pan on a hotplate of a cooker. Copper is a metal. Thermal energy is conducted through all solids by lattice vibrations. Describe one other way in which thermal energy is conducted through the copper. The outside surface of the cooking pan is kept clean by regular polishing. Explain one other advantage of keeping the surface of the pan shiny. The thermal energy passes into the water through the base of the pan. Identify the main method by which thermal energy is transferred throughout the water.
0625_w23_qp_41
THEORY
2023
Paper 4, Variant 1
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