GCSE Physics


As you may have read elsewhere, heat energy can be transferred by radiation. This is infra red waves, a type of light.

infra red heating lamps under a parasol in England's sunny Peak District!recent SOHO image of Sun!

Just like light, infra red waves can travel in a vacuum. This is why we can feel the sun's warmth - this heat has travelled 92 million miles to reach us!

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