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KEAM 2010 Physics and Chemistry Paper
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© examsnet.com
Question : 29
Total: 119
The maximum line-of-sight distance
d
M
between two antennas having heights
h
T
and
h
R
above the earth is
√
R
(
h
T
+
h
R
)
√
2
R
∕
(
h
T
+
h
R
)
√
R
h
T
+
√
2
R
h
R
√
2
R
h
T
+
√
2
R
h
R
√
2
R
h
T
+
√
R
h
R
Validate
Solution:
If heights of transmitting and receiving antennas be
h
r
and
h
n
respectively, then effective range will be
d
=
√
2
R
h
T
+
√
2
R
h
R
© examsnet.com
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