Convert the following temperatures to Celsius scale.
(a) 293 K
(b) 470 K
a) Convert the following temperature to the Celsius scale.
(i) 293 K (ii) 470 K b) Why can you smell the perfume of incense stick ? c) Why does the temperature of a substance remain constant during its melting point or boiling point? d) Which amongst the following is not matter? (i). Brick (ii) Pen (iii) Time Give reason.