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NEETPhysicsThermal Properties of Matter

What is the time it takes for a body to cool from 60 °C to 30 °C when the surroundings are at 20 °C, given that the body cools from 80 °C to 50 °C in 5 minutes?

Options

  1. A2.5 minutes
  2. B9 minutes
  3. C5 minutes
  4. D7.5 minutes

Correct answer

B. 9 minutes

Step-by-step solution

Correct Option is : (B) 9 minutes

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