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NEETPhysicsThermal Properties of Matter

Which of the following time durations is required for a pan filled with hot food to cool from 71 °C to 69 °C, given that it initially cooled from 94 °C to 86 °C in 2 minutes when the room temperature was at 20 °C?

Options

  1. A38 seconds
  2. B40 seconds
  3. C42 seconds
  4. D44 seconds

Correct answer

C. 42 seconds

Step-by-step solution

Correct Option is : (C) 42 seconds

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