A radar has a power of 1 Kw and is opera...

A radar has a power of 1 Kw and is operating at a frequency of 10 GHz. It is located on a mountain top of height 500 m. The maximum distance upto which it can detect object located on the surface of the earth (Radius of earth = `6.4 xx 10^(6)` m) is

80 km

16 km

40 km

64 km

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

COMMUNICATION SYSTEMS
AAKASH SERIES|Exercise EXERCISE-II (TV Antenna)|14 Videos
COMMUNICATION SYSTEM
AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos
CURRENT ELECTRICITY
AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|27 Videos

Similar Questions

Explore conceptually related problems

A radar has a power of 1kW and is operating at a frequency of 10 GHz . It is located on a mountain top of height 500m . The maximum distance upto which it can detect object located on the surface of the earth (Radius of earth 6.4xx10^(6)m ) is

Find the escape velocity of a body from the surface of the earth. Given radius of earth = 6.38 xx 10^(6) m .

A TV tower has a height of 75m. What is the maximum distance upto which this TV transmission can be received ? (Radius of the earth = 6.4 xx 10^(6) m)

A TV tower has a height of 60 m. What is the maximum distance and area up to which TV transmission can be received? (Take radius of earth as 6.4 xx 10^6 m ).

The T.V. transmission tower in Delhi has a height of 240 m. The distance up to which the broadcast can be received, (taking the radius of earth to be 6.4xx10^(6)m) is

A TV transmission tower has a height of 140 m and the height of the receiving antenna is 40 m. What is the maximum distance upto which signals can be broadcasted from this tower in LOS (Line of Sight ) mode ? (Given : radius of earth = 6.4xx10^(6) m).

What is the value of g at a height 8848 m above sea level. Given g on the surface of the earth is 9.8 ms^(-2) . Mean radius of the earth = 6.37 xx 10^(6) m .

What is the magnitude of the gravitational force between the Earth and a 1kg object on its surface ? (Mass of the earth is 6xx10^(24) kg and radius of the Earth is 6.4xx10^(6) m) .

A TV tower has a height of 150 m . The area of the region covered by the TV broadcast is (Radius of earth = 6.4 xx 10^(6) m )

AAKASH SERIES-COMMUNICATION SYSTEMS -PRACTICE EXERCISE (TV Antenna)

The height of a TV transmitting antenna is 20m. The telecast can cover...
Text Solution
|
A transmitting antenna is at a height of 20m and receiving antenna is ...
Text Solution
|
TV tower has a height of 80m. The height of the tower to be increased ...
Text Solution
|
The maximum distance between the transmitting and receiving TV towers ...
Text Solution
|
The area to be covered for TV telecast is doubled. Then the height of ...
Text Solution
|
A TV tower has a height of 100m. How much population is covered by TV...
Text Solution
|
A TV tower has a height of 70 m. If the average population density aro...
Text Solution
|
A TV tower has a height of 100 m. The population density around the TV...
Text Solution
|
To cover a population of 20 lakh, a transmission tower should have a h...
Text Solution
|
The amplitude of the modulating wave is 2//5 th of the amplitude of th...
Text Solution
|
The audio signal voltage is given by V(m) = 2 sin 12 pi xx 10^(3)t. Th...
Text Solution
|
The tuned circuit the Oscillator in a simple AM transmitter employs a ...
Text Solution
|
Match Column-I (layers in the ionosphere for skywave propagation) with...
Text Solution
|
A radar has a power of 1 Kw and is operating at a frequency of 10 GHz....
Text Solution
|
If the percentage of modulation is 50% then the useful power in the AM...
Text Solution
|
The modulation index is 0.75. Then the useful power available in the s...
Text Solution
|