Which of the following is not a suitable method for reducing loss of heat from a piece of hot iron?
A
Wrapping it in cotton wool
B
painting it black
C
Placing it in a vacuum
D
Placing it on rubber supports
E
Keeping it in a closed wooden box
Verified Correct Answer: B.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #24100)