Properties Of Solids And Liquids Question 519
Question: At what temperature the centigrade (Celsius) and Fahrenheit, readings are the same [RPMT 1997, 99, 2003; BHU 1997; MNR 1992; DPMT 1998; CPMT 1995; UPSEAT 1999; KCET 2000]
Options:
A) ? 40°
B) + 40°
C) 36.6°
D) ? 37°
Show Answer
Answer:
Correct Answer: A
Solution:
$ \frac{C}{5}=\frac{F-32}{9} $
therefore $ \frac{t}{5}=\frac{t-32}{9} $
therefore $ t=-40{}^\circ $
