Question

A copper block and an iron block, each of mass 1 kg, which are at the same

temeperature, are heated to 3000

C.( Specific heat capacity : Copper :385 J/

kgK, iron : 460 J/kgK, Water:4200 J/kgK)

(a) What is meant by the term ‘specific heat capacity?’ (1)

(b) Which of these has the higher amount of energy after heating? (1)

(c) An iron block is immersed into 1 kg water at 30o

C and is stirred. By how much will

the temperature of water rise up? (in o

C)

Answer 1

:the answer is a)432