2. b) Hibiscus. Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions. Chapter 22 Sample Multiple Choice Problems . Page 3 a It is a wave phenomenon. 1 cm – 10 cm c. 10 cm – 1 m d. 0.1 cm – Which of the following characteristics of diagnostic ultrasound applies also to X-radiation? 2. Missed a question here and there? Warm air rises and the cool air sinks demonstrates this type of heat transfer.  The propagation speed of sound through soft tissue is. Multiple Choice Questions on Vegetative Propagation in Plants. Propagation in media depends on re-radiation by electron-oscillators, which takes a finite time to occur. We can say that: a. A medium is a different reference frame to vacuum, so the difference in the observed speed of light is a consequence of relativity. 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X-ray radiation has frequencies from 3.0 x 1016 to 3.0 x 1019 Hz, whereas the frequency region for radio wave radiation is 3.0 x 105 to 3.0 x 107 Hz. What do you know about it and the rest of these transfer methods? c 1540 ms −1. Electromagnetic waves are a. longitudinal. b. speeds that are proportional to their frequency. Chapter 15 Multiple choice questions and answers. Convective heat, for example, is the transfer of heat by the movement of fluids. Find out here. 3. b) Layering. Electron oscillators in the medium introduce a phase change upon re-radiation. a. In the scientific topic of heat transfer, convection, conduction, and radiation are of vital importance. 1 m – 10 m b. 1. Multiple Choice Questions and Answers on Antenna & Wave Propagation 1) What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? 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