8.15. Answer the following questions :
(a) Long distance radio broadcasts use short-wave
bands. Why?
(CBSE D 051
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Gregg ki 8 ka kahana hai agar aap kisi bhi prakar ke lakshan aur khatron ke bare men
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Long distance radio broadcasts use shortwave bands because only these bands can be refracted by the ionosphere. ... Thus, these signals are not reflected by the ionosphere. Hence, satellites are helpful in reflecting TV signals. Also, they help in long distance TV transmissions.
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