Choose the correct answer: In satellite communication,

The correct answer is Option (1) → the frequency used lies between 3 GHz to 8 GHz

Satellite communication uses microwaves that pass through the ionosphere, and the commonly used bands lie in the few-GHz range: the uplink is about \( 5.9\text{--}6.4\,\mathrm{GHz} \) and the downlink about \( 3.7\text{--}4.2\,\mathrm{GHz} \). Both fall between 3 GHz and 8 GHz.

Note: This question is from the pre-rationalised NCERT book (2022-23). The topic was removed from the latest NCERT book (2026-27), and it also appears to be out of the CUET 2026 syllabus.

NCERT (Pre-rationalised edition, 2022-23):
Bandwidth of Transmission Medium – …