The ratio of loss of heat from a metal sphere at `327^(@)C` to that of the same sphere at `527^(@)C`. When placed in the surrounding of temperature `1
The ratio of loss of heat from a metal sphere at `327^(@)C` to that of the same sphere at `527^(@)C`. When placed in the surrounding of temperature `127^(@)C` is
A. `(1)/(2)`
B. `(13)/(48)`
C. `(22)/(48)`
D. `(1)/(16)`
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Correct Answer - B
`(R_(1))/(R_(2))=(T_(1)^(4)-T_(0)^(4))/(T_(2)^(4)-T_(0)^(4))=(500^(4)-400^(4))/(800^(4)-400^(4))=(13)/(48)`
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