For plotting temperature-time graph for a hot body, as it cools to room temperature, a student is to choose one each from each of the following pairs.A : Calorimeter(i) blackened from outside(ii) polished from outsideB : Base for keeping the calorimeter(i) insulated(ii) metallicIn order to get the correct graph he should prefer to choose :(1) A (i), B (ii)(2) A (ii), B (ii)(3) A (i) , B (i)(4) A (ii), B (i)

For plotting temperature-time graph for a hot body, as it cools to roo

1.	For plotting temperature-time graph for a hot body, as it cools to room temperature, a student is to choose one each from each of the following pairs.A : Calorimeter(i) blackened from outside(ii) polished from outsideB : Base for keeping the calorimeter(i) insulated(ii) metallicIn order to get the correct graph he should prefer to choose :(1) A (i), B (ii)(2) A (ii), B (ii)(3) A (i) , B (i)(4) A (ii), B (i)
Answer» For plotting temperature-time graph for a hot body, as it cools to room temperature, a student is to choose one each from each of the following pairs. A : Calorimeter (i) blackened from outside (ii) polished from outside B : Base for keeping the calorimeter (i) insulated (ii) metallic In order to get the correct graph he should prefer to choose : (1) A (i), B (ii) (2) A (ii), B (ii) (3) A (i) , B (i) (4) A (ii), B (i)