Teaching OSSSC TGT Teachers Mock Test Series 2025 Physics Thermal Properties of Matter Newton’s law of cooling
An object kept in a large room having air temperature of 25°C takes 12 minutes to cool from 80°C to 70°C.
The time taken to cool for the same object from 70°C to 60°C would be nearly,
1
20 min
2
15 min
3
10 min
4
12 min