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2025 · M/J · 5054/12 | Q21

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CIE-5054-2025-MJ-p12 · Question 21

You may use a calculator. Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m/s²).
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21 The diagram shows a ray of light directed at a plane mirror. mirror 40° What are the angle of incidence and the angle of reflection? angle of angle of incidence/° reflection/° A 40 40 B 40 50 C 50 40 D 50 50

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5054/12/M/J/25Cambridge O Level Physics 5054 · May/June 2025 · Paper 1 variant 2 · Question 21