Test SeriesFree PYQsExamsPricing

MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

Consider two hot bodies and which have temperatures 100°C to 80°C respectively at t = 0. The temperature of the surroundings is 40°C. The ratio of the respective rates of cooling and of these two bodies at t = 0 will be

Answer: (A)

Solution

By Newton's law the rate of cooling is proportional to the excess temperature:

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-063417