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Cambridge IGCSE Physics · 3.2 · structured

Refraction into polycarbonate

Light · Original GioPhysics question with a detailed, mark-by-mark answer guide.

Demand
demanding
Marks
4
Topics
2
Answer
Complete
Question4 marks

Light travels from air into polycarbonate of refractive index 1.58. The angle of incidence is 40°. Calculate the angle of refraction.

Task interpretation

What a complete response should do

Build a visible chain from the information given to the quantity or statement requested.

Split the problem into linked stages and state why each relationship applies.

Response type
structured
Allocation
4 marks
Demand
demanding
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