Question

According to Newton's law of cooling, the rate of cooling of a body is proportional to (Dq)ⁿ, where Dq is the difference of the temperature of the body and the surroundings, and n is equal to –

• A. Two
• B. Three
• C. Four
• D. One

Answer 1

Answer: (D)

One

Answer 2

$\frac{dH}{dt}$ (q₂ – q₁) = (0q)ⁿ \ n = 1