A thermometer with an arbitrary scale S of equa... - JAMB Physics 1991 Question
A thermometer with an arbitrary scale S, of equal division registers -30oS at the ice point and +90oS at the steam point. Calculate the Celsius temperature corresponding to 60oS
A
25.0oC
B
50.0oC
C
66.7oC
D
75.0oC
correct option: d
100oC ... 90oS
(\theta)oC ... 60oS
0oC ... 30oS
(\frac{\theta - 0}{100 - 0}) = (\frac{60 - (-30)}{90 - (-30)})
(\theta) = 75oC
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