In an experiment to verify Newtonβs law of cooling, a graph is plotted between, the temperature difference (ΞT) of the water and surroundings and time as shown in figure. The initial temperature of water is taken as 80ΒΊC. The value of as mentioned in the graph will be ______.
Official Solution
Correct Option: (1)
Temperature of surrounding For to minutes, average temp. Rate of cooling For to minutes, average temp. Rate of cooling ( minutes) minutes
So, the answer is minutes.
02
PYQ 2023
hard
physicsID: jee-main
The temperature of the body drops from 60Β°C to 40Β°C in 7 min. The surrounding temperature is 10Β°C. The temperature of the body drops from 40Β°C to TΒ°C in 7 min. Find the value of T
