SolveLancer Test The appearance of colour of hot objects is

Last updated: 6/8/2023

SolveLancer Test The appearance of colour of hot objects is as per Kirchhoff s law of radiation It means a hot object will emit only that colour which it absorbed during heating Now consider the following statements i When a red object is heated to red hot it will not be able to absorb red colour hence in darkness it will become invisible ii When a red object is heated to white hot it will absorb all colours except red and hence its colour will be cyan iii When a blue glass is heated to red hot as per Kirchhoff s law will reflect red and will appear blue iv When blue glass is heated to white hot it will absorb all colours except blue and hence its colour will be yellow SolveLancer Test a Only i correct b Both ii iii incorrect c Only iii correct d i ii iv correct