engineering recuitment NPCIL Stipendiary Trainee (Category II) Prelims 2025 Mock Test General Science Physics
It is warmer to have two thin blankets than to have a single thick blanket because -
1
Thick blanket cannot give more warmth
2
Two blankets allow more heat to pass through them
3
Air between the thin blankets does not allow heat to pass through it since it is a bad conductor
4
Air between the two blankets is a good conductor of heat