The lower and upper fixed point of a thermometer are 30mm...
The lower and upper fixed point of a thermometer are 30mm and 180mm respectively. Calculate the temperature in degrees Celsius when the thermometer reads 45mm
10.0oC
15.0oC
20.0oC
30.0oC
Correct answer is A
100....180
A......45
0......30
\(\frac{45 - 30}{180 - 30} = \frac{A - 0}{100 - 0}\)
A = \(\frac{15 \times 100}{150} = 10^oC\)
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