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InterviewSolution
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A transmitting antenna has a height 30m and that of the receiving atenna is 52 m . What is the maximum distance between them for satisfactory communication in line of sight mode ? Given , radius of earth is `6.4xx10^(6) `m .A. 45. 4 kmB. 44. 5 kmC. 36.3 kmD. 33.6 km |
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Answer» Correct Answer - A Here , `h_(T)=30 m , h_(R)=52 m , R=6.4xx10^(6) m ` ` d_(M)=sqrt(2Rh_(T))+sqrt(2Rh_(r))` `=sqrt( 2 xx 6.4 xx 10^(6) xx 30)+ sqrt( 2 xx 6. 4 xx 10^(6) xx 52 )` `=45.4 xx 10^(3) m =45.4 km` |
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