The ice and steam point on a mercury-in-glass t... - WAEC Physics 2007 Question
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
correct option: a
(\frac{x - 0}{100 - 0} = \frac{14 - 10}{30 - 10})
x = (\frac{100 \times 4}{20} = 20^oC)
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