Physics · Oct / Nov 2022 · Paper 11 · Question 20

A piece of iron of mass m is placed in a mixture of ice and water. Its temperature decreases from θ₁ to θ₂. How much thermal energy is lost by the piece of iron?

1. Am × specific heat capacity of iron × (θ₁ – θ₂)
2. Bm × specific heat capacity of iron × θ₂
3. Cm × heat capacity of piece of iron × (θ₁ – θ₂)
4. Dm × heat capacity of piece of iron × θ₂

As printed in the paper