Properties Of Solids And Liquids Question 528

Question: If a thermometer reads freezing point of water as 20°C and boiling point as 150°C, how much thermometer read when the actual temperature is 60°C [AFMC 2004]

Options:

A) 98°C

B) 110°C

C) 40°C

D) 60°C

Show Answer

Answer:

Correct Answer: A

Solution:

Temperature on any scale can be converted into other scale by $ \frac{x-LFP}{UFP-LFP} $ = Constant for all scales $ \frac{x-20}{150-20}=\frac{60}{100} $ therefore $ x=98{}^\circ C $



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