Heat and Thermal ExpansionMedium

Question

A faulty thermometer reads freezing point and boiling point of water as -5oC and 95oC respectively.
What is the correct value of temperature as it reads 60oC on faulty thermometer ?

Options

A.60oC
B.65oC
C.64oC
D.62oC

Solution

= constant (for all temperature scales)
where
LFP → lower fixed point
UFP → Upper fixed point
⇒ C = 65oC

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