Question

What layer of the atmosphere reflects radio waves back to earth?

Answer 1

Answer:

ionosphere

In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.

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Answer 2

Answer:

Ionosphere is the layer of atmosphere that reflects radiowaves back to the earth.

• Ionosphere is ionized by the radiations of the sun. It has a significant role in the energy of the atmosphere and forms the magnetosphere 's inner edge. It is practically also important as it affects the radio transmission to the distant places on the planet.
• Ionosphere is an electrically conducting region which has tendency to reflect radio signals in the form of radio-waves back to the earth's surface. Thus, we can say that ionosphere is responsible for radio communication.
• The F layer of the ionosphere acts as a " reflector " of the signals in HF portion of the radio spectrum which enables world wide radio communication. The F layer is the main region associated with HF signal propagation.

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