Question

Question: Hindi
In space wave propagation the distance (dt)
between two antenna is 60km for satisfactory
signal reception what should be the heights of
transmitting (ht) and receiving antenna (hr)
Option 1:
ht = 100 meter and hr = 9 meter
Option 2:
ht = 36 meter and hr = 16 meter
Option 3
ht = 25 meter and hr = 25 meter
Option 4:
ht = 64 meter and hr = 49 meter​

Answer 1

Answer:

option 1

60

1 km=1000m

60×1000

60000

2:60,000

1:30,000

100:9 ; 1:30,000

1:100

9:30000

3:10000