Radio Wave Propagation

Test your knowledge on radio wave propagation with our MCQ quiz. Learn about the different types of radio wave propagation, factors affecting it, and its applications.

Welcome to Wave Propagation.

The quiz will randomly run 20 questions from Wave Propagation which you have to answer in 10 minutes.

After 10 minutes, your quiz will automatically be submitted and scored.

You can retake the quiz as many times as you want and a different set of questions will be given. The answers will also be randomly arrange.

Please click START QUIZ to start

[Communications]

If a wave has a velocity of 4800 feet per second, and wavelength of 5 feet, what is the wavelength?

96 kHz

9.6 Hz

96 Hz

960 Hz

[Communications]

What is the highest frequency that can be sent straight upward and be returned to earth?

skip frequency

critical frequency

gyro frequency

MUF

[Communications]

Most of the effects an electro magnetic wave produces when it interacts with matter are due to its

frequency

electric field

magnetic field

speed

[Communications]

The D, E and F layers of the ionosphere are known as ____________.

Mark – space Layers

Kennely – Heaviside Layers

Appleton Layers

Davinson- Miller Layers

[Communications]

Frequencies in the UHF range propagate by means of

space waves

ground waves

surface waves

sky waves

[Communications]

What layer of the atmosphere is used for high-frequency day time propagation?

D Layer

E Layer

F1 Layer

F2 Layer

[Communications]

When the magnetic field is perpendicular to the surface of the earth, what is the polarization of the TEM wave?

circular

horizontal

vertical

elliptical

[Communications]

Medium frequency range is from

0.3 to 3MHz

3 to 30 MHz

0.01 to 0.03 MHz

0.03 to 0.3MHz

[Communications]

In electromagnetic waves, polarization __________.

is always vertical in an isotropic medium

is caused by reflection

results from the longitudinal nature of the waves

is due to the transverse nature of the waves

[Communications]

It is the ratio effective Earth radius to true earth radius

path profil

Fresnel zone

index of refraction

K factor

[Communications]

A TEM wave whose polarization rotates.

circularly polarized

horizontally polarized

vertically polarized

omnidirectional

[Communications]

An electromagnetic wave consists of ___________.

both electric and magnetic fields

an electric field only

a magnetic field only

[Communications]

What is the separation in degrees of the electric and magnetic fields in an electromagnetic wave?

180

[Communications]

What is the lowest layer of the ionosphere?

[Communications]

What is the effective radiated power of a repeater with 200W transmitter power output, 4dB feed line loss, 4dB duplexer and circulator loss, and 10dB feed line antenna gain?

317 W

2000 W

260 W

31.7 W

[Communications]

What is the thickest layer of the ionosphere?

[Communications]

What is the highest layer of the atmosphere?

ozone layer

troposphere

ionosphere

stratosphere

[Communications]

When the electric field is perpendicular in the surface of the earth, what is the polarization of the TEM wave?

vertical

elliptical

horizontal

circular

[Communications]

________ is the amount of voltage induced in wave by an electromagnetic wave.

field strength

receive voltage

magnetic induction

power density

[Communications]

What is the unit of electric field strength?

volts per meter

millivolt per watt

volt per square cm

volts per square meter

Please fill in the comment box below. This will help us improved our site

Thank you for trying out Wave Propagation. If you have comments on the quiz or on our site, please provide your comment

Name