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General
Easy
Question
Two solid spheres of same material but diameters in the ratio of 5:4 are at temperatures 227°C and 127°C respectively. The temperature of the surrounding is 27°C and Stefan's law holds. Calculate the ratio of rates of loss of heat of the two spheres?
- 2:3
- 5:34
- 24:9
- 34:7
The correct answer is: 24:9
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