Q. Permittivity and conductivity are insensitive to ______ for a good conductor.

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Q. Velocity of electromagnetic wave can be given by _______

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Q. The boundary condition at the surface of incidence obeys ________

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Q. The angle at which no reflection occurs in the medium of origin is called _________

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Q. Diffraction occurs when radio path between Tx. And Rx. Is obstructed by ____________

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Q. At high frequencies, diffraction does not depends on ___________

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Q. Diffraction allows radio signals to propagate around ________

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Q. Which principle explains the phenomenon of diffraction?

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Q. Diffraction is caused by propagation of secondary wavelets into _______

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Q. Difference between the direct path and the diffracted path is called _______

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Q. The phase difference between a direct line of sight path and diffracted path is function of _______

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Q. Which of the following explains the concept of diffraction loss?

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Q. In mobile communication system, diffraction loss occurs due to ______

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Q. For predicting the field strength in a given service area, it is essential to estimate ______

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Q. Scattering occurs when medium consists of objects with dimensions _______ compared to the wavelength.

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Q. Scattered waves are produced at ________

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Q. The actual received signal is ______ than what is predicted by reflection and diffraction model.

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Q. Scattered energy in all directions provides _________ at a receiver.

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Q. Surface roughness are often tested using __________

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Q. A surface is considered rough if protuberance is ________ than critical height.

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