Properties Of Solids And Liquids Question 553

Question: The freezing point on a thermometer is marked as -$ {{20}^{\circ }} $ and the boiling point as $ {{130}^{\circ }} $ . A temperature of human body $ ({{34}^{\circ }}C) $ on this thermometer will be read as:

Options:

A) $ {{31}^{\circ }} $

B) $ {{51}^{\circ }} $

C) $ {{20}^{\circ }} $

D) none of these

Show Answer

Answer:

Correct Answer: A

Solution:

$ {{100}^{\circ }}C={{150}^{\circ }} $ of the thermometer

$ \therefore $ $ {{1}^{\circ }}C={{1.5}^{\circ }} $ of the thermometer

Or $ {{34}^{\circ }}C={{51}^{\circ }} $ of the thermometer

$ \therefore $ thermometer will read $ -{{20}^{\circ }}+{{51}^{\circ }}={{31}^{\circ }} $ of the thermometer



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