
EM Wave Propagation
Quiz
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Other
•
University
•
Practice Problem
•
Hard
Ovindi Bandara66
Used 7+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Choose the methods of wave propagation
Satellite propagation
Ground wave Propagation
Ionospheric propagation
Space wave propagation
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Lower frequency signals are transmitted as
Space waves
Sky waves
Ground waves
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why do low frequency waves are transmitted as Ground waves?
Attenuation is high
Energy of the waves are high
Attenuation is low
Lower amount of short circuiting
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The highest amount of ionization happens in
The layer closest to the earth
The middle layer
The layer closest to the sun
All above
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
You may get to listen to a radio channel broadcasted in India at night but not in the day. The reason could be,
Higher amount of ionization during the day and lower amount of ionization at night
Lower amount of ionization during the day and higher amount of ionization at night
The bending of the signal in the ionosphere is lower at night hence, can be received at a higher distance
High amount of cosmic rays are received during the day, thus increasing ionization
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When the angle of radiaition decreases, the skip distance
increases
Decreases
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How long an EM wave radiated from a 45 m tower can travel. Earth Radius - 6400km
240km
24km
2400m
2400km
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