Infrared

1 mark · Easy

State the relationship between an object's temperature and the amount of infrared radiation it emits.

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The hotter an object is, the more infrared radiation it emits.

Also accept: Hotter objects emit more infrared radiation.; Higher temperature means more infrared emitted.

Common mistakes: The hotter an object is, the less infrared it emits.; No relationship.

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Marking points

B1 · 1 mark · States that hotter objects emit more infrared radiation.

Worked solution

A hotter object emits more infrared radiation than a cooler one.