Question

If we convert 123${}^{\circ }$ Fahrenheit into Celsius and kelvin, which of the following options is correct?

• A. Celsius = 50.55${}^{\circ }$ C; Kelvin = 323.55 K
• B. Celsius = 40.78${}^{\circ }$C; Kelvin = 133 K
• C. Celsius = 72${}^{\circ }$C; Kelvin = 355 K
• D. Celsius = 92${}^{\circ }$ C; Kelvin = 143 K

Answer 1

The correct option is A Celsius = 50.55${}^{\circ }$ C; Kelvin = 323.55 K

Celsius =
$(\text{F}-32)\times \frac{5}{9}=(123-32)\times \frac{5}{9}=91\times \frac{5}{9}={50.55}^{\circ }C$

Kelvin = Celsius $+273=323.55K$