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Cambridge IGCSE Physics practice

What happens to the rate of radiation emission if the surface temperature of an object is increased?

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MCQ

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cambridge_mcq

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Radiation

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What happens to the rate of radiation emission if the surface temperature of an object is increased?.

  1. A.It decreases
  2. B.It remains the same
  3. C.It increases
  4. D.It becomes zero

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Paper 4 structured question: Radiation

Paper 4Theory (Extended)1 marks

Description

Factors Affecting Radiation Emission

An object emits radiation based on its surface temperature and surface area. Higher temperatures lead to increased radiation emission, while larger surface areas also enhance this effect.

  1. a

    State the relationship between surface temperature and radiation emission.

    Aim for approximately 1 distinct marking point.

    [1]