WAEC Physics 2018 Theory — Question 14
Question 14 of 27 from the West African Examinations Council (WAEC) Physics 2018 Theory paper, with the correct answer and a full explanation.
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9.(a) List two factors each that affect heat loss by (i) radiation; (ii) convection.
Model answer
Radiation: surface area of the body; nature (colour/texture) of the surface; temperature of the body/excess temperature over surroundings. Convection: exposed surface area; density of the surrounding fluid; temperature difference between body and fluid.
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