PhysicsTemperature and its measurementJAMB
A faulty thermometer reads 10 °C in melting ice and 90 °C in steam. What is the true temperature when it reads 30 °C?
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Answer: A. 25 °C
True temperature = (30 − 10)/(90 − 10) × 100 = 20/80 × 100 = 25 °C.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.