50g of copper is heated to increase its temperature by 10°C. If the same quantity of heat…

Q: 50g of copper is heated to increase its temperature by 10°C. If the same quantity of heat is given to 10g of water, the rise in its temperature is (specific heat of copper = 420 J/kg/°C)

(a) 5°C

(b) 6°C

(c) 7°C

(d) 8°C

Ans: (c)