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please answe these 2 topic Topic 1: Electromagnetic Waves Electromagnetic waves differ from mechanical waves in that they...

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Physics

please answe these 2 topic

Topic 1: Electromagnetic Waves
Electromagnetic waves differ from mechanical waves in thatthey do not require a medium to propagate. This means thatelectromagnetic waves can travel not only through air and solidmaterials, but also through the vacuum of space.
According to your Knowledge, answer the followingquestions:
- Describe the characteristic of Electromagnetic Waves?
- Radio Waves travel along different paths:
a. State their names?
b. Which of them does Loran-C receiver receive?

Topic 2: Loran-C and e-Loran Systems
Two navigation systems that produce position through themeasurement of the difference in times of radio signals from two ormore synchronized transmitters at fixed points. Such systemsrequire the use of a receiver, which measures the timedifference.
According to your Knowledge, answer the following questions:(Within 600 words)
A. Define the Coding delay and the Group Repetition Intervalin loran-C system and
mention their benefits?
B.Mention8pointsascommonpointsbetweenLoran-Cande-LoranSystems? C.State6pointsasdifferentpointsbetweenLoran-Cande-LoranSystems?


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