Long distance radio broadcasts use shortwave bands. Explain.
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Answer:
Long distance radio broadcasts use shortwave bands because only these bands can be refracted by the ionosphere. (b) It is necessary to use satellites for long distance TV transmissions because television signals are of high frequencies and high energies.
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Long distance radio broadcasts use short-wave bands. Why?
Answer:
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Long distance radio broadcasts use short-wave bands because ionosphere refracts only shortwave bands and long wave bands are not refracted by the ionosphere.
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