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Cambridge IGCSE Physics practice

Paper 3 structured question: The Sun as a star

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The Sun as a star

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Paper 3Theory (Core)3 marks

Understanding the Sun's energy emission is crucial for various scientific fields.

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Energy Emission of the Sun

The Sun emits energy in the infrared, visible light, and ultraviolet parts of the electromagnetic spectrum.

  1. a

    Describe the significance of the Sun's energy emission for life on Earth.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: The Sun as a star

Paper 3Theory (Core)1 marks

Description

The Composition of the Sun

The Sun is primarily composed of hydrogen and helium, with energy emitted in various parts of the electromagnetic spectrum.

  1. a

    State the two main elements that make up the Sun.

    Aim for approximately 1 distinct marking point.

    [1]