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Physics Test - ...

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  • Question 1
    5 / -1

    Modulation is required

  • Question 2
    5 / -1

    What is the frequency band of FM broadcast?

  • Question 3
    5 / -1

    The carrier wave in the modulation is in the form of:

  • Question 4
    5 / -1

    The process of super imposing information onto a carrier wave is called

  • Question 5
    5 / -1

    Which of the following is an example of broadcast mode of communication?

  • Question 6
    5 / -1

    In which type of propagation, the electromagnetic wave reflection is used

  • Question 7
    5 / -1

    If Am and Ac are the amplitude of the modulating signal and the carrier wave, then which of the following is correct to avoid distortion in amplitude modulation?

  • Question 8
    5 / -1

    Which of the following is the form of channel in the communication system?

  • Question 9
    5 / -1

    The loss of strength of a signal while propagating through a medium is called:

  • Question 10
    5 / -1

    What is the range of communication through free space using radio waves?

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