WAEC Physics 2022 Objective — Question 41
Question 41 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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Which of the following concepts is a method of heat transfer that does not require a material medium?
- A. Conduction
- B. Diffusion
- C. Convection
- D. RadiationCorrect
Explanation
Radiation is the only method of heat transfer that does not require a material medium — it can travel through a vacuum.
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