a thermometer records 680 mmHg at steam point a... - WAEC Physics 2010 Question
a thermometer records 680 mmHg at steam point and 440 mmHg at ice point. The temperature it records at 380 mmHg is
A
-25oC
B
-20oC
C
20oC
D
25oC
correct option: a
(\frac{440 - 380}{680 - 380} = \frac{0 - x}{100 - x})
= -25oC
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