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Learning objective

Understand that for an object to maintain a constant temperature, it must lose energy at the same rate it gains energy.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsThermal physicsSupplement content

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Quick explanation

Understand that for an object to maintain a constant temperature, it must lose energy at the same rate it gains energy

  • This point belongs to Radiation, especially Radiation outcomes.
  • You need to be able to understand that for an object to maintain a constant temperature, it must lose energy at the same rate it gains energy.
  • The key ideas to know are Know.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Know

Why it matters

This objective helps connect Radiation outcomes to exam-style questions, flashcards, and revision notes for Radiation.

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Paper 4 structured question: Radiation

Paper 4Theory (Extended)1 marks

Description

Energy Transfer and Temperature

An object is placed in a room where it absorbs heat from the surroundings. It also loses heat to the environment. For the object to maintain a constant temperature, what must occur?

  1. a

    State the condition necessary for the object to maintain a constant temperature.

    Aim for approximately 1 distinct marking point.

    [1]
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