May/June 2026 Paper 43

2026 · 11 questions · 44 parts · 80 marks

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1(a)(i)1(a)(ii)1(a)(iii)1(b)

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2(a)2(b)2(c)

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3(a)3(b)(i)3(b)(ii)

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4(a)(i)4(a)(ii)4(a)(iii)4(b)

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5(a)(i)5(a)(ii)5(b)(i)5(b)(ii)5(c)(i)5(c)(ii)

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6(a)(i)6(a)(ii)6(b)(i)6(b)(ii)6(b)(iii)

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7(a)7(b)(i)7(b)(ii)7(c)

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8(a)8(b)(i)8(b)(ii)

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9(a)(i)9(a)(ii)9(a)(iii)9(b)(i)9(b)(ii)

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Q10

10(a)10(b)(i)10(b)(ii)10(c)

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Q11

11(a)11(b)11(c)

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4(a)(i)Temperature Internal Energy Heat CapacityEasy2 marks

Figure 4.1 shows a pan of water on a hotplate.

Figure 4.1, a pan of water with a handle standing on a hotplate; the pan, the water and the hotplate are labelled

The mass of water in the pan is 200 g. The specific heat capacity of water is 4.2 J / (g

^{\circ} C

). The temperature of the water increases from

22^{\circ} C

80^{\circ} C

. Show that the energy transferred to the water is approximately 49 kJ.

Answer

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4(a)(ii)Energy Work Power EfficiencyEasy2 marks

The time taken for the temperature of the water to increase from

22^{\circ} C

80^{\circ} C

is 41 s. Calculate the minimum power of the hotplate.

4(a)(iii)Energy Work Power EfficiencyEasy1 mark

State one reason why the power of the hotplate must be greater than the value calculated in 4(a)(ii).

Answer

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4(b)Particle Model States MatterEasy2 marks

Describe, in terms of particles and their motion, two ways in which a gas differs from a liquid.

Answer

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