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Cambridge IGCSE Combined Science practice

Paper 3 structured question: General properties of waves

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General properties of waves

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Paper 3Theory (Core)3 marks

Waves can behave differently when they encounter surfaces or change mediums.

Description

Wave Behavior

When a wave strikes a flat surface, it reflects. When it enters a new medium, it refracts.

  1. a

    Explain how waves reflect off a flat surface and refract when their speed changes.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: General properties of waves

Paper 3Theory (Core)2 marks

Description

Wave Interaction

Waves can reflect and refract, impacting how we perceive sound and light.

  1. a

    Describe the process of refraction and its effects on wave direction.

    Aim for approximately 2 distinct marking points.

    [2]