Low thermal conductivity of heat insulating materials is due to its (A) Dense structure (B) High proportion of air space (C) High specific heat (D) None of these

Low thermal conductivity of heat insulating materials is due to its

(A) Dense structure

(B) High proportion of air space

(C) High specific heat

(D) None of these

by

1 Answer

Answer :

(B) High proportion of air space


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