The Mercury Column in an Ordinary Medical Thermometer Doubles in Length

Multiple Choice

The mercury column in an ordinary medical thermometer doubles in length when its temperature changes from 95°F to 105°F.Choose the correct statement:

A) the coefficient of volume expansion of mercury is 0.10 per F°
B) the coefficient of volume expansion of mercury is 0.30 per F°
C) the coefficient of volume expansion of mercury is (0.10/3) per F°
D) the vacuum above the column helps to "pull up" the mercury this large amount
E) none of the above is true