The waves which are used for line of sight (LOS) communication are called:...? Mcqs

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The waves which are used for line of sight (LOS) communication are called:...?

(A) Space waves
(B) Cable waves

(C) Antenna waves
(D) None of these

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Source: This question is taken from the Everyday Science

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Which among the following waves is used for communication by artificial satellites ...?

(A) Micro waves
(B) Radio waves

(C) A. M.
(D) Infra-red waves

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Source: This question is taken from the Everyday Science

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Nutrients that are needed in the highest concentration called...?

(A) Micronutrients
(B) Macronutrients

(C) Essential nutrients
(D) Trace elements

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Source: This question is taken from the Everyday Science

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