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The polarization of plane waves received from satellite is changed by ________

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The polarization of plane waves received from satellite is changed by ________

(a) Faraday rotation

(b) Gamma rays

(c) Helical rotation

(d) Distance travelled

This question was addressed to me in exam.

My doubt is from Time Division Multiplexing topic in section Multiplexing & Sampling of Bandpass Signal of Analog Communications

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The correct answer is (a) Faraday rotation

Explanation: Generally for satellite communication circular polarization is required. The polarization received by waves from satellite is changed by Faraday rotation.

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