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A body in a room cools from 90°C to 80°C in 5 minutes. The time taken to cool from 70°C to 60°C is?

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A body in a room cools from 90°C to 80°C in 5 minutes. The time taken to cool from 70°C to 60°C is? Answer: More than 5 minute

Time ratio depends on the logarithm of temperature differences with room temperature. Cooling slows as the object approaches room temperature.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.