Question:
The radio horizon of the transmission of an antenna placed on the 20\(^\text{th}\) floor in a shopping mall, where the height of each floor is 2 m is
The radio horizon of the transmission of an antenna placed on the 20\(^\text{th}\) floor in a shopping mall, where the height of each floor is 2 m is
Show Hint
The formula for the radio horizon is \( \sqrt{2hR} \), where \( h \) is the height and \( R \) is the radius of Earth.
Updated On: May 15, 2025
- 22.6 km
- 45 km
- 36 km
- 67.5 km
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Using the formula for the radio horizon, we can calculate the distance to the horizon based on the height of the antenna and Earth's radius.
Was this answer helpful?
0
0
Top Questions on Electromagnetic Wave Propagation
- Which one of the following is correct for the phase velocity \( v_p \) and group velocity \( v_g \)? (c is the speed of light in vacuum)
- GATE PH - 2025
- Physics
- Electromagnetic Wave Propagation
- A pulse of light of duration 50 ns is absorbed completely by a small object initially at rest. Power of the pulse is 60 mW and speed of light is \( 3 \times 10^8 \) m/s. The final momentum of the object is:
- Assam CEE - 2024
- Physics
- Electromagnetic Wave Propagation
- The waves that are used for line-of-sight (LOS) communication are
- AP EAPCET - 2023
- Physics
- Electromagnetic Wave Propagation
- The electric field of an electromagnetic wave propagating in vacuum is given by $E = 35 \cos(kx - 4.5 \times 10^8 t)$ where $E_x$ and $t$ are in V/m and s respectively. The magnitude of the propagation vector $k$ is
- AP EAPCET - 2023
- Physics
- Electromagnetic Wave Propagation
- During the propagation of a longitudinal wave, in the region of compressions and rarefactions, Options:
- AP EAPCET - 2023
- Physics
- Electromagnetic Wave Propagation
View More Questions
Questions Asked in AP EAPCET exam
- Two objects of masses 5 kg and 10 kg are placed 2 meters apart. What is the gravitational force between them?
(Use \(G = 6.67 \times 10^{-11}\, \mathrm{Nm^2/kg^2}\))- AP EAPCET - 2025
- Gravitation
- The height at which the weight of a person becomes 25% of his weight on the surface of the earth is: (R$_E$ is the radius of the earth)
- AP EAPCET - 2025
- Gravitation
- Two solid spheres each of radius \( R \) made of same material are placed in contact with each other. If the gravitational force acting between them is \( F \), then
- AP EAPCET - 2025
- Gravitation
- The acceleration due to gravity at a height of $(\sqrt{2} - 1)R$ from the surface of the earth is (where $g = 10\, m/s^2$ and $R$ is the radius of the earth)
- AP EAPCET - 2025
- Gravitation
- An artificial satellite is revolving around a planet of radius \( R \) in a circular orbit of radius \( a \). If the time period of revolution of the satellite, \( T \propto a^{3/2}g^xR^y \), then the values of \( x \) and \( y \) are respectively:
- AP EAPCET - 2025
- Gravitation
View More Questions