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Electromagnetic Waves — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectromagnetic Waves2 Marks
Question
Why are infrared waves often called heat waves ? Explain.
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Answer

Infrared waves have frequencies lower than those of visible light they have ability to vibrate not only the electrons but the entrire atom on molecules of a body this vibration increases the internal energy and temperature of the body.

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