First slide

Thermometry

Question

A Fahrenheit thermometer reads 113⁰F while a faulty celsius thermometer reads 44⁰C. The correction required to be applied to the celsius thermometer is

Easy

A

-1⁰C
B

+1⁰C
C

+2⁰C
D

-2⁰F

Solution

$\large \frac {C}{100}=\frac {F-32}{180}=\frac {113-32}{180}=\frac {81}{180}$
$\large C=45^0\Rightarrow error=45-44=1^0C$
correction = +1⁰C

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