Which of the following statements is NOT true about electromagnetic waves?

All electromagnetic radiation can travel through a vacuum including Space.

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When EM waves are absorbed, they may cause cooling.

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When EM waves are absorbed, they may create tiny alternating currents with the same frequency as the radiation.

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Electromagnetic waves with high frequencies are the most dangerous to be exposed to.

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Solution

The correct option is
D

When EM waves are absorbed, they may cause cooling.

When light is absorbed, it always gives a heating effect.

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Light is a form of electromagnetic radiation. Which statement about light waves is NOT true?

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