First slide

Temperature and heat-thermal properties of matter

Question

A fahrenheit thermometer reads $113^{0} F$ while a faulty Celsius thermometer reads $44^{0} C$ one correction to be applied to the Celsius thermometer is

Moderate

A

$- 1^{0} C$
B

$+ 1^{0} C$
C

$+ 2^{0} C$
D

$- 2^{0} F$

Solution

$r e l a t i o n b e t w e e n c e l s i u s a n d f a h r e n h e i t t h e r m o m e t e r i s \frac{C}{5} = \frac{F - 32}{9} \frac{C}{5} = \frac{113 - 32}{9} \frac{C}{5} = \frac{81}{9} C = 45^{0} Δ C = 45 - 44 = + 1^{0} C = c o r r e c t i o n t o b e a p p l i e d t o t h e c e l s i u s t h e r m o m e t e r$

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