Question

A man would feel iron and wooden balls equally cold or hot at

• A. ${98.6}^{o}C$
• B. ${98.6}^{o}F$
• C. ${198.6}^{o}F$
• D. ${198.6}^{o}C$

Answer 1

Answer: (B)

${98.6}^{o}F$

A man would find them equally cold or hot only when the heat flowing in or out of them is equal.
But since there would be the same temperature difference between the object and the man.
The heat flow would only be the same, when there is no heat flow. i.e. the body's temperature should be equal to the body temperature of the man. Which is ${98.6}^{\circ }F$