Question

1. Define : Line of sight ​

Answer 1

Answer:

a straight line along which an observer has unobstructed vision.

"a building which obstructs our line of sight

Step-by-step explanation:

Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves travel in a direct path from the source to the receiver. Electromagnetic transmission includes light emissions traveling in a straight line.

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Answer 2

Answer:

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