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Which of the following statements about thermal conductivity is true? (2021)

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Question: Which of the following statements about thermal conductivity is true? (2021)

Options:

  1. It is higher in gases than in solids
  2. It is a measure of a material\'s ability to conduct heat
  3. It increases with temperature
  4. It is independent of material type

Correct Answer: It is a measure of a material\'s ability to conduct heat

Exam Year: 2021

Solution: 

Thermal conductivity is a measure of a material\'s ability to conduct heat; it varies with material type.

Which of the following statements about thermal conductivity is true? (2021)

Practice Questions

Q1
Which of the following statements about thermal conductivity is true? (2021)
  1. It is higher in gases than in solids
  2. It is a measure of a material's ability to conduct heat
  3. It increases with temperature
  4. It is independent of material type

Questions & Step-by-Step Solutions

Which of the following statements about thermal conductivity is true? (2021)
  • Step 1: Understand what thermal conductivity means. It is how well a material can transfer heat.
  • Step 2: Recognize that different materials have different abilities to conduct heat. For example, metals usually conduct heat better than wood.
  • Step 3: Remember that thermal conductivity is measured in units, and it helps us compare how well different materials can conduct heat.
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