Wave Optics

Question

Why are short waves used in long distance broadcasts?

Solution

Short waves can be reflected from the ionosphere and hence, can travel a longer distances from transmitter to receiver. Wavelength of short waves is approximately less than 200 m.

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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Wave Optics

Why are short waves used in long distance broadcasts?

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?

What is space wave propagation?

What is sky wave propagation?

What is the meaning of the term 'attenuation' in communication system?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Wave Optics

Why are short waves used in long distance broadcasts?

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?

What is space wave propagation?

What is sky wave propagation?

What is the meaning of the term 'attenuation' in communication system?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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?