Cambridge IGCSE Physics · 2.2 · structured
Change of state for lead
Changes of state · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- routine
- Marks
- 3
- Topics
- 2
- Answer
- Complete
Question3 marks
0.24 kg of lead changes state at constant temperature. Its specific latent heat for this change is 2.3 × 10⁴ J/kg. Calculate the energy transferred.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Name the standard relationship first, keep units attached, and show the substitution before the result.
- Response type
- structured
- Allocation
- 3 marks
- Demand
- routine
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