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Wave Optics

Question

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Audio signal cannot be transmitted because
the signal has more noise
the signal cannot be amplified for distance communication
the transmitting antenna length is very small to design
the transmitting length is very large and impracticable
the transmitting length is very large and impracticable

Solution

D.

the transmitting length is very large and impracticable

Some More Questions From Wave Optics Chapter

Which of the following frequencies will be suitable for beyond-the-horizon communication using sky waves?

Frequencies in the UHF range normally propagate by means of

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?

What is space wave propagation?

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