A pan filled with hot food cools from 94 °C to 86 °C in 2 minutes when the room…
Physics · Class 11 · CBSE — Thermal Properties of Matter
A pan filled with hot food cools from 94 °C to 86 °C in 2 minutes when the room temperature is at 20 °C. The time taken to cool it from 71 °C to 69 °C is
- 12 s
- 22 s
- 32 s
- 42 s
Answer
(B) 22 s
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