Uses and dangers of electromagnetic radiation

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Question 19
Easy

A group of friends are sitting outdoors on a cool evening under an electric patio heater, as shown in the diagram.

An electric patio heater mounted on a stand, glowing red and radiating heat waves downwards towards a table where people are sitting

Use words from the box to complete the sentences.

chemical infrared microwave thermal ultraviolet

The electromagnetic waves that the patio heater mostly emits to warm the people are ..... waves. These waves transfer ..... energy to the people.

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Uses and dangers of electromagnetic radiation Questions

  1. GCSE
  2. /Physics
  3. /Uses and dangers of electromagnetic radiation