IGCSE Physics Mock – Set 2 Paper 3-Updated 2026
IGCSE Physics Mock – Set 2 Paper 3 – Updated 2026
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Question
A student determines the density of a metal. Fig. 3.1 shows an irregularly shaped piece of the metal and some equipment.
(a) Describe how the student can find the volume of the piece of metal.
In your answer you may refer to some or all of the equipment shown in Fig. 3.1.
(b) The mass of another piece of the metal is 350 g. The volume of this piece of metal is 18 cm3.
Calculate the density of the metal.
density = ………………………………………. g/\(cm^{3}\)
▶️Answer/Explanation
3(a) any three from:
• part fill measuring cylinder with water
• measure / note volume (of water)
• submerge metal in measuring cylinder
• determine increase in volume OR measure new volume of water (and metal)
AND
• find the difference in the two volumes OR increase in volume = volume of metal
3(b) 19 (g/\(cm^{3}\))
350 ÷ 18
density = mass ÷ volume OR ρ = m ÷ V