Question

The temperature at which Celsius and Fahrenheit scales show the same reading is :-

• A. 40 K
• B.
• C. – 40° C
• D. – 100°C

Answer 1

The correct option is C

– 40° C

$\frac{C}{5}$ = $\frac{F-32}{9}$

Here C=F

Replacing and solving we get, C = -${40}^{o}C$