everyday science MCQ #504

The waves used for sending signals to a satellite from a ground station are:

everyday science MCQ #504

  1. Question 1

    Q1. The waves used for sending signals to a satellite from a ground station are:

    • A) X-rays
    • B) Sound waves
    • C) Microwaves
    • D) Ultraviolet rays

    Answer: Microwaves

    Explanation: Microwaves (GHz frequency range) are used to communicate with satellites because they can penetrate Earth's atmosphere with minimal absorption and travel in line-of-sight paths.