Question 1
Question detail
Which of the following materials is likely to have the highest thermal conductivity?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Conservation and dissipation of energy
Question
- A. Wood
- B. Plastic
- C. Copper
- D. Glass
Answer
Copper
Explanation
Copper is a metal known for its high thermal conductivity, making it an excellent conductor of heat compared to wood, plastic, and glass.
Common mistake
Confusing thermal conductivity with wall thickness
Students often think that a material’s thermal conductivity alone determines how quickly heat passes through a wall, ignoring the role of wall thickness.
Explain that the rate of heat transfer by conduction is proportional to the material’s thermal conductivity but inversely proportional to the wall’s thickness; both properties together determine the overall heat transfer rate.
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