A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. A)10 B) 10 C)

Question

A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes.
A)10
B)> 10
C)< 10
D)Either (B) or (C), depends on the mass of the body

Quizplus · Accepted Answer

According to Newton's Law of Cooling, the rate of cooling is proportional to the temperature difference between the body and its surroundings. As the body cools, the temperature difference decreases, so it will take longer to cool down by the same amount.

A Body Cools Down from 75°C to 70°C in 10