TS EAMCET · Physics · Thermodynamics
A body cools from to in minutes. Calculate the time it takes to cool from to . The temperature of the surroundings is .
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
According to Newton's law of cooling, Rate of cooling is directly proportional to the temperature difference between body and surrounding. dTdt=KT-T0=KTi+Tf2-T0 Where, T=Ti+Tf2 is average temperature of body. The substitute the value as per first condition…
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