3 marksTransfer of Thermal Energy
CSEC Physics · May/June 2017 · Paper 2 · Question 5(a)(i)
Four factors of the surface of a material on which the absorption and emission of radiation depend are: Texture (rough or smooth), Nature (dull or shiny), Colour (black or white), Area (large or small). State, with a reason, the appropriate characteristics of TWO of the above factors in the design of
a car radiator
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