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`        Hello.....       A body cools from 80 C to 50 C in 5 min. Calculate the time it takes to cool from 60 C to 30 C . The temperature of the surroundings is 20 C.`
3 years ago

Vikas TU
9756 Points
```							From-dT/dt = k(T – T0)dT = – k(T – T0)dtIntegerating both sides with appropriate limits,log(T- T0) = -Kt(-2.306/K)log2t = K = -2.303*log2/300we gett = 10 minutes.
```
3 years ago
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• 18 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions