Physics · Heat Transfer
During winter, we feel warmer by using two thin blankets together instead of a single blanket of the same total thickness. Why?
- 1None of the above
- 2Two blankets enclose a layer of air which acts as an insulator and prevents heat loss✓
- 3Two blankets compress the air between the body and the blanket
- 4Two blankets are thicker, so they generate more heat
Correct answer
Two blankets enclose a layer of air which acts as an insulator and prevents heat loss
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