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CAIE IGCSE Physics 3.2.2.1 Terms Normal Angle of Incidence and Questions

Practise drawing the normal at a boundary and identifying incidence and refraction angles from that normal rather than from the material surface.

Syllabus
2026–2028
Course
Physics 0625

Exam points

  • Distinguish scalars from vectors by direction and classify common physics quantities.

CAIE IGCSE Physics 3.2.2.1 Terms Normal Angle of Incidence and Questions question 1

[Maximum number: 1]

Fig. 7.1 shows a container of oil.

Fig. 7.1

Fig. 7.1

A ray of light shines on the surface of the oil. The refractive index of the oil is 1.47 .

On Fig. 7.1, draw the normal at the point where the ray enters the oil.

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