IT2 Advancement Exam Study Guide questions with answers

IT2 Advancement Exam Study Guide
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questions with answers |\ |\




movement through a medium - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\



✔✔Propagation


Can be defined as a disturbance that moves through a
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medium - CORRECT ANSWERS ✔✔Wave |\ |\ |\ |\




Can be defined as a recurring disturbance advancing
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through space with or without the use of a physical
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medium - CORRECT ANSWERS ✔✔Wave motion |\ |\ |\ |\ |\




Which type of waves are water waves known as because
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the motion of the water is up and down, or at right angles
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to the direction in which the waves are traveling? -
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CORRECT ANSWERS ✔✔Transverse |\ |\




Type of waves which the disturbance takes place in the
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direction of propagation - CORRECT ANSWERS |\ |\ |\ |\ |\ |\



✔✔Longitudinal


The vehicle through which the wave travels from one
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point to the next - CORRECT ANSWERS ✔✔Medium
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,The position in which a particle of matter would have
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been called if it were not disturbed by wave motion -
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CORRECT ANSWERS ✔✔Reference line |\ |\ |\




The distance in space occupied by one cycle of a radio
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wave at any given instant - CORRECT ANSWERS
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✔✔Wavelength


Unit of measurement that wavelengths are expressed in -
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CORRECT ANSWERS ✔✔Meters |\ |\




A wave property that gives a relative indication of the
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amount of energy the wave transmits - CORRECT
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ANSWERS ✔✔Amplitude |\




A continuous series of waves that are called having the
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same amplitude and wavelength - CORRECT ANSWERS
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✔✔Wave train |\




The number of vibrations, or cycles, of a wave train in a
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unit of time is called the frequency of the wave train and
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is measured in what? - CORRECT ANSWERS ✔✔Hertz
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,Which term refers to the number of occurrences that take
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place in one second? - CORRECT ANSWERS ✔✔Hertz
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Which propagation property is the rate at which the
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disturbance travels through the medium, or the velocity |\ |\ |\ |\ |\ |\ |\ |\



with which the crest of the wave moves along? -
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CORRECT ANSWERS ✔✔Velocity |\ |\




What is the time in which one complete vibratory cycle of
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events occurs? - CORRECT ANSWERS ✔✔Period
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What is a wave called that is directed toward the surface
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of the mirror? - CORRECT ANSWERS ✔✔Incident
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What is the angle between the reflected wave and the
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normal called? - CORRECT ANSWERS ✔✔Angle of
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reflection


Which law states that "The angle of incidence is equal to
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the angle of reflection? - CORRECT ANSWERS ✔✔Law of
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reflection


What is the bending of the wave path when the waves
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meet an obstruction? - CORRECT ANSWERS ✔✔Diffraction
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, What is the apparent change in frequency or pitch when a
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sound source moves either toward or away from the
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listener, or when the listener moves either toward or
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away from the sound source - CORRECT ANSWERS
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✔✔Doppler Effect |\




How does sound travel through a medium? - CORRECT
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ANSWERS ✔✔Wave motion |\ |\




In the study of physics, what is defined as a range of
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compression-wave frequencies to which the human ear is |\ |\ |\ |\ |\ |\ |\ |\



sensitive? - CORRECT ANSWERS ✔✔Sound |\ |\ |\ |\




Which type of sounds are capable of being heard by the
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human ear? - CORRECT ANSWERS ✔✔Sonics
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The Navy has set an arbitrary upper limit for sonics at
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10,000 hertz and a lower limit at what? - CORRECT
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ANSWERS ✔✔15 Hertz |\ |\




What is the standard practice used to refer to sounds
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above 10,000 hertz? - CORRECT ANSWERS ✔✔Ultrasound
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What are sounds below 15 hertz known as? - CORRECT
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ANSWERS ✔✔Infrasonic |\