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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.
पर्याय
220
224
221
223
MCQ
रिकाम्या जागा भरा
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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