Test SeriesFree PYQsExamsPricing

MHT CET Physics question

PhysicsThermal Properties of MatterMHT CET

A cup of tea cools from 65.50°C to 62.50°C in one minute in a room of temperature 22.5°C. How long will the same cup of tea take to cool from 46.50°C to 40.50°C in the same room? (choose the nearest value)

Answer: (D)

Solution

Using average excess temperatures, gives ; then

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-063424