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Wave Optics
Question
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Why is ground wave transmission of signals restricted to a frequency of 1500 kHz?

Answer

In ground wave propagation, as the frequency increases, there is  loss of energy in the signal due to interaction with matter. Frequencies above 1500 kHz get heavily interrupted and damaged. So ground wave propagation is restricted to a frequency less than 1500 kHz.

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Some More Questions From Wave Optics Chapter

Digital signals
(i)    do not provide a continuous set of values,
(ii)    represent values as discrete steps,
(iii)    can utilize binary system, and
(iv)    can utilize decimal as well as binary systems.
Which of the above statements are true?

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