SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Listening to your favorite radio station involves which area of physics?
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optics
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thermodynamics
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vibrations and wave phenomena
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relativity
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Explanation:
Detailed explanation-1: -Because of their longer wavelengths, AM waves reflect off a layer of the upper atmosphere called the ionosphere. You can see how this happens in the Figure below. Because the waves are reflected, they can reach radio receivers that are very far away from the radio tower.
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