Question 12

Conductivity is a measure of the ease with which heat can pass through a material.

Conductivity specifically refers to the ability of a material to transfer heat or electricity, making it the correct answer to the question posed.

A) Malleability

Malleability describes a material's ability to deform under pressure, typically associated with metals being shaped or hammered without breaking. It does not relate to the transfer of heat, thus making it an incorrect choice in this context.

B) Conductivity

Conductivity is the property that directly measures how easily heat can pass through a material. Higher conductivity means that heat can be transferred more efficiently, making this option the correct answer.

C) Permeability

Permeability refers to the ability of a material to allow fluids or gases to pass through it. While it is a useful property in many contexts, it does not concern the transfer of heat, rendering it an incorrect option.

D) Elasticity

Elasticity is the ability of a material to return to its original shape after being stretched or compressed. This property does not relate to thermal transfer, therefore it is not relevant to the question and is incorrect.

Conclusion

In summary, conductivity is the only option that accurately measures the ease of heat transfer through materials, which makes it the correct answer. All other options, while significant in their own right, pertain to different physical properties unrelated to thermal conductivity.