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Railways General Science & Technology Wave Optics / तरंग प्रकाशिकी Sample Paper Wave Optics Sample Test Paper-7

  • question_answer
    A signal emitted by an antenna from a certain point can be received at another point of the surface in the form of

    A)  Sky wave         

    B)  Ground wave

    C)  Sea wave         

    D)  both [a] and [b]

    Correct Answer: D

    Solution :

    [d] Ground wave and sky wave both are amplitude modulated wave and the amplitude modulated signal is transmitted by a transmitting antenna and received by the receiving antenna at a distance place.


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