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प्रश्न
A transmitting antenna has a height of 320 m and that of receiving antenna is 2000 m. The maximum distance between them for satisfactory communication in line of sight mode is 'd'. The value of 'd' is ______ km.
विकल्प
220
224
221
223
MCQ
रिक्त स्थान भरें
उत्तर
A transmitting antenna has a height of 320 m and that of receiving antenna is 2000 m. The maximum distance between them for satisfactory communication in line of sight mode is 'd'. The value of 'd' is 224 km.
Explanation:
Maximum distance between transmitting antenna
= `sqrt(2"Rh"_"T")+sqrt(2"Rh"_"R")`
= `(sqrt(2xx6400xx10^3xx320)+sqrt(2xx6400xx10^3xx2000))"m"`
dm = 224 km
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