Two thin blankets keep more hotness than one blanket of thickness… - Vidyadip

MCQ

Two thin blankets keep more hotness than one blanket of thickness equal to these two. The reason is

A
Their surface area increases
✓
A layer of air is formed between these two blankets, which is bad conductor
C
These have more wool
D
They absorb more heat from outside

✓

Answer

Correct option: B.

A layer of air is formed between these two blankets, which is bad conductor

(b)

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