The ice and steam point on a mercury-in-glass thermometer are 10cm and 30cm respectively. Calculate the temperature in decree Celsius when the mercury meniscus is the 14cm mark
A
20oC
B
30oC
C
34oC
D
70oC
Verified Correct Answer: A.
Physical Principles & Numerical Solution
\(\frac{x - 0}{100 - 0} = \frac{14 - 10}{30 - 10}\)
x = \(\frac{100 \times 4}{20} = 20^oC\)
Source: Myschool Past Questions Archive (Record #34871)