Navedtra 144182, Neets, Module 10
5 Questions
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--INTRODUCTION TO WAVE PROPAGATION, TRANSMISSION LINES, AND ANTENNAS--
Questions and Answers
- 1.What is the major advantage of telegraph over earlier methods?
- A.
Data size
- B.
Range
- C.
Frequency
- 2.Radio waves travel at what speed?
- A.
Speed of light
- B.
Speed of sound
- C.
Sonic sound
- 3.Radio waves are felt by:
- A.
Sight
- B.
Touch
- C.
Heard
- D.
Non of the above
- 4.Medium is the term used for the vehicle through which a wave travels from point to point.
- A.
True
- B.
False
- 5.The reception of an AM-band radio signal over mountains can be explained by which of the following principles of wave propogation?
- A.
Diffraction
- B.
Refraction
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