Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 General Science Physics Heat and Transfer
Two layers of a cloth of equal thickness provide warmer covering than a single layer of cloth with double the thickness. Why?
1
Because of the air encapsulated between two layers
2
since effective thickness of two layers is more
3
Fabric of the cloth plays the role
4
Weaving of the cloth plays the role
5
Answer Not Known