GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What must radio waves move around? Select the best answer
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The curvature of Earth
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The population of people
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The population of animals
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Trees and other plants
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Explanation:
Detailed explanation-1: -For example, in lower short wave, which is around 300 kHz to 3 MHz, the radio propagation or radio wave can actually curve itself around the horizon or the curvature of the Earth.
Detailed explanation-2: -Most radio waves pass freely through Earth’s atmosphere. However, some frequencies can be reflected or absorbed by the charged particles in the ionosphere.
There is 1 question to complete.