Q.1:- Convert the following temperatures to Celsius scale :
(a) 293 K
(b) 470 K

Answer:-

(a) We know that, temperature in °C = K – 273, where, C = °Celsius, K = Kelvin
= 293 – 273 = 20°C

(b) °C = K – 273 = 470 – 273 = 197°C