F4 PHY OPENER TERM 3 2026 MS
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Word Editable SampleFORM 4 TERM 3 OPENER EXAM 2026
PHYSICS 232
MARKING SCHEME
SECTION A (25 MARKS)
Q1. Pascal (Pa) OR N/m².
[B1 (1 mark)]
Q2. The sum of clockwise moments about any point equals the sum of anticlockwise moments about the same point, when the body is in equilibrium.
[B1 (1 mark)]
Q3(a). Brass (brass has a higher coefficient of linear expansion than invar).
[B1 (1 mark)]
Q3(b). Strip bends so that invar is on the outer (convex) side / brass is on the inner side — i.e. strip curves in the opposite direction to when heated. (Award B1 for correct direction of bending with justification.)
[B1 (diagram acceptable) (1 mark)]
Q4. Upthrust = ρ_fluid × V × g = 1000 × (50 × 10⁻⁶) × 10 M1= 0.5 N A1
[M1 A1 (2 marks)]
Q5. Using v² = u² + 2as, 0 = 20² − 2(10)h M1h = 400/20 = 20 m A1
[M1 A1 (2 marks)]
This document is professionally prepared and verified for Form 4 (Secondary (8-4-4)) • Term 3.
- Competency-driven teacher inquiry models
- Guiding questions for active learner engagement
- Real-life problem-solving applications
- Formative & summative assessment indicators
- Performance levels (Exceeding, Meeting, Approaching)
- Practical assessment task breakdowns