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IT2 Advancement Exam Study Guide For The Year 2022 – 2023
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IT2 Advancement Exam Study Guide For The Year 2022 – 2023
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1.Propagation: movement through a medium
2.Wave: Can be defined as a disturbance that moves through a medium
3.Wave motion: Can be defined as a recurring disturbance advancing through space with or without the use of a physical medium
4.Transverse: Which type of waves are water waves known as because the motion of the water is up and down, or at right angles to the direction in which the waves are traveling?
5.Longitudinal: Type of waves which the disturbance takes place in the
direction of propagation
6.Medium: The vehicle through which the wave travels from one point to the next
7.Reference line: The position in which a particle of matter would have been called if it were not disturbed by wave motion
8.Wavelength: The distance in space occupied by one cycle of a radio wave at any given instant
9.Meters: Unit of measurement that wavelengths are expressed in
10.Amplitude: A wave property that gives a relative indication of t energy the wave transmits
11.Wave train: A continuous series of waves that are called having the same amplitude and wavelength
12.Hertz: The number of vibrations, or cycles, of a wave train in a unit
of time is called the frequency of the wave train and is measured in what?
13.Hertz: Which term refers to the number of occurrences that take place in one second?
14.Velocity: Which propagation property is the rate at which the disturbance travels through the medium, or the velocity with which the crest of the wave moves along? .Period: What is the time in which one complete vibratory cycle of events occurs?
16.Incident: What is a wave called that is directed toward the surface of the mirror?
17.Angle of reflection: What is the angle between the reflected wave and the normal called? .Law of reflection: Which law states that "The angle of incidence is equal to the angle of reflection?
19.Diffraction: What is the bending of the wave path when the waves
meet an obstruction?
20.Doppler Effect: What is the apparent change in frequency or pitch when a sound source moves either toward or away from the listener, or when the listener moves either toward or away from the sound source
21.Wave motion: How does sound travel through a medium?
22.Sound: In the study of physics, what is defined as a range of compres- sion-wave frequencies to which the human ear is sensitive?
23.Sonics: Which type of sounds are capable of being heard by the human ear?
24.15 Hertz: The Navy has set an arbitrary upper limit for sonics at 10,000 hertz and a lower limit at what?
25.Ultrasound: What is the standard practice used to refer to sounds above 10,000 hertz?
26.Infrasonic: What are sounds below 15 hertz known as?
27.Three: How many basic elements for transmission and reception of sound must be present before a sound can be produced?
28.Noise or Tones: Which two general groups may sounds be broadly classified into?
29.Quality: Sound has three basic characteristics: pitch, intensity, and what else?
30.Pitch: Which term is used to describe the frequency of a sound?
31.Intensity: What is a measure of the sound energy of a wave?
32.Loudness: What is the sensation the intensity (and sometimes frequency) the sound wave produces on the ear?
33.Elasticity and Density: What are the two basic physical properties that govern the velocity of sound through the medium?
34.Elasticity: What is the ability of a strained body to recover its shape after deformation? .Density: What property of a medium or substance is the mass per unit volume of the medium or substance?
36.1,087: What is the velocity in FPS that sound will travel through
air at 32 degrees?
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