Two 200 g samples of different materials, A and B, initially at the same temperature each absorb 2.40 kJ of energy. Their specific heats are
• A: 800 J kg⁻¹ °C⁻¹
• B: 400 J kg⁻¹ °C⁻¹
What is the ratio of their temperature increases, ΔT_A : ΔT_B?
a) 2:1
b) 1:1
c) 1:2
d) 1:4