Navneet kumar , 11 Years ago
Grade Upto college level
Thermal Physics> pressure-measurement...
1 AnswersNavneet kumar
Last Activity: 11 Years ago
We know, when V is constant, P is proportional to T.
P = AT + B
When T = 0, P = 50 cm of mercury
=> 50 = 0 + B
=> B = 50
When T = 100, P = 90 cm of mercury
=> 90 = 100A + 50
=> A = 0.4
Now, when P = 60 cm of mercury
P = AT + B
=> 60 = (0.4)(T) + 50
=> T = 10/0.4 = 25 oC
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