WAEC - Physics (2010 - No. 16)
a thermometer records 680 mmHg at steam point and 440 mmHg at ice point. The temperature it records at 380 mmHg is
-25oC
-20oC
20oC
25oC
คำอธิบาย
\(\frac{440 - 380}{680 - 380} = \frac{0 - x}{100 - x}\)
= -25oC
= -25oC