If ‘ht‘ and ‘hr’ are height of transmitting and receiving antennae and ‘R’ is radius of the earth, the range of space wave is
A. \(\sqrt {2R}\) (ht + hr)
B. 2R \(\sqrt {(ht + hr)}\)
C. \(\sqrt {2R(ht + hr)}\)
D. \(\sqrt {2R}\) (√ht + √hr)
Answer:D
If ‘ht‘ and ‘hr’ are height of transmitting and receiving antennae and ‘R’ is radius of the earth, the range of space wave is
A. \(\sqrt {2R}\) (ht + hr) B. 2R \(\sqrt {(ht + hr)}\) C. \(\sqrt {2R(ht + hr)}\) D. \(\sqrt {2R}\) (√ht + √hr)