Choose the correct option-


(i) Ratio of linear, area and volume expansion in solids is-


(a) 1:1:1 (b) 1:2:3 (c) 1:2:1 (d) 3:2:1


(ii) Amongst object A and B, if the specific heat of object A is less than of object B, then-


(a) Object A will get warm sooner (b) Object B will get warm sooner

(c) Both will get warm at a same rate (d) None of above


(iii) Which one amongst the following is best conductor of heat-


(a) Iron (b) Asbestos (c) Glass (d) Wood


(iv) In which one of the following heat cannot flow due to convection-


(a) Tea (b) Water (c) Wind (d) Vacuum