With increase in porosity, the thermal conductivity of a solid substance (A) Increases (B) Decreases (C) Remains unchanged (D) May increase or decrease; depends on the solid

With increase in porosity, the thermal conductivity of a solid substance

(A) Increases

(B) Decreases

(C) Remains unchanged

(D) May increase or decrease; depends on the solid

by

1 Answer

Answer :

(B) Decreases

by

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