Which of the following statements distinguishes thermal conduction for convection? i. Conduction requires a material...
PHYSICS
WAEC 2007
Which of the following statements distinguishes thermal conduction for convection? i. Conduction requires a material medium while convection does not ii. In convection, there is actual motion of hot material, while in conduction, molecules molecules vibrates faster about their mean positions iii. Conduction takes place in solids while convection takes place in fluids.
- A. i and ii only
- B. ii and iii only
- C. i and iii only
- D. i, ii and iii
Correct Answer: B. ii and iii only
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