The length of a mercury column in a mercuryin-glass thermometer is 25 mm at the ice point and 180 mm at the steam point.
The length of a mercury column in a mercuryin-glass thermometer is 25 mm at the ice point and 180 mm at the steam point. What is the temperature when the length is 60 mm?
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Here the thermometric property P is the length of the mercury column.
Using equation,
T = \(\frac{100(P_T-P_1)}{(P_2-P_1)}\)
For P1 = 25 mm,
P2 = 180 mm,
PT = 60 mm
T = \(\frac{100(60-25)}{(180-25)}\)
= 22.58 °C
The temperature corresponding to the length of 60 mm is 22.58 °C.
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