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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Light

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Light

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Paper 3Theory (Core)2 marks

Understanding reflection in everyday life.

Description

Everyday Reflection

Mirrors, water surfaces, and shiny metals reflect light. The angles at which light hits these surfaces determine how we see images or reflections.

  1. a

    Explain how the law of reflection applies to mirrors.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Light

Paper 3Theory (Core)1 marks

Description

Reflection of Light

When light strikes a surface, it can either be reflected or absorbed. The angle at which it strikes the surface is known as the angle of incidence, while the angle at which it reflects off the surface is known as the angle of reflection.

  1. a

    State the relationship between the angle of incidence and the angle of reflection.

    Aim for approximately 1 distinct marking point.

    [1]