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Cambridge IGCSE Physics practice

Paper 4 structured question: Radiation

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Radiation

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Paper 4Theory (Extended)1 marks

Thermal dynamics in everyday objects.

Description

Cooling of a Hot Object

A hot cup of coffee is left in a cooler room. Discuss the energy loss process and its impact on the coffee's temperature.

  1. a

    State the primary method of energy loss for the coffee.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Radiation

Paper 4Theory (Extended)1 marks

Description

Energy Intake and Loss

Consider an object that is being heated while simultaneously losing heat to its surroundings. Analyze the effects of energy intake and loss on the object's temperature and state.

  1. a

    State the effect on the object's temperature if energy intake exceeds energy loss.

    Aim for approximately 1 distinct marking point.

    [1]