gc textbook chater 14 heat (id: 9cda55224)

本题目来源于试卷: gc textbook chater 14 heat，类别为 IB物理学

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The temperature of the glassbsi ku+ )nkykyo234.i+ j5 3urlxf q3xswvr(6 surface of a 60-W lightbulb is 65$^{\circ} C$ when the room temperature is 18$^{\circ} $C. Estimate the temperature of a 150-W lightbulb with a glass bulb the same size. Consider only radiation, and assume that 90% of the energy is emitted as heat.    $^{\circ} C$

参考答案: 112±2%


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