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
