A cup of coffee cools from 90^{\circ} {\C} to 80^{\circ} {\C} in t minutes when the room temperature is 20^{\circ} {\C}. The time taken by the similar cup of coffee to cool from 80^{\circ} {\C} to 60^{\circ} {\C} at the same room temperature is : [29 Jan 2025 Shift 2]

Thermodynamics Part 5

Section: Physics

Question : 48 of 69

Marks: +1, -0

A cup of coffee cools from 90∘C to 80∘C in t minutes when the room temperature is 20∘C. The time taken by the similar cup of coffee to cool from 80∘C to 60∘C at the same room temperature is :

[29 Jan 2025 Shift 2]

‌
13
5
t
‌
10
13
t
‌
13
10
t
‌
5
13
t

Validate

Go to Question:

Prev Question

Next Question