The ice and steam points of a certain thermomet... - WAEC Physics 2002 Question
The ice and steam points of a certain thermometer are -20o and 100o respectively. Calculate the Celsius temperature temperature corresponding to 70o on the thermometer
A
84.0o
B
75.0o
C
64.0o
D
58.0o
correct option: b
(\frac{70 - 20}{100 - 20} = \frac{\theta - 0}{100 - 0})
(\theta = \frac{90 \times 100}{120} = 75^oC)
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