Question

A faulty Celsius thermometer reads 0.70C at the melting point of pure ice and 99.50C at the boiling of water at normal pressure
1. What is the correct temperature scale when it reads 30C?
2. At what temperature will it be exactly correct?

Answer 1

Explanation:

Assuming that the faulty thermometer is perfectly linear.

1. The correct temperature will be 29.65587°C when the faulty Celsius thermometer reads 30° C.
2. At 58.333333°C the faulty thermometer will show 58.333333°C i.e. , the exact correct temperature.

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