F.3 Physics
The markings on a calibrated thermometer have faded away. We know that the column lengths for 0 ℃and 80 ℃are 6 cm and 21 cm respectively. What is the column for 37℃?
Solution
By proportion.
_______________________
_______________________
_______________________
Picture: http://www.uwants.com/viewthread.php?tid=8811322&extra=page%3D1