The ice and steam point on a mercury-in-glass thermometer are 10cm and 30cm respectively. Calculate...

WAEC 2007

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. 20^oC
B. 30^oC
C. 34^oC
D. 70^oC

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Correct Answer: Option A

Explanation

\(\frac{x - 0}{100 - 0} = \frac{14 - 10}{30 - 10}\)

x = \(\frac{100 \times 4}{20} = 20^oC\)

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The ice and steam point on a mercury-in-glass thermometer are 10cm and 30cm respectively. Calculate...

Correct Answer: Option A

Explanation

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