Vibrations and Waves: Physics Review Exam | Questions And Answers Latest
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The number of cycles of a periodic wave per unit time is called the wave's - period
define frequency - any repeated and periodic motion
as the frequency of a wave increases, the period of the wave - decreases
the speed of the wave refers to - how far a given point on the wave travels per unit of time
does amplitude affect speed? - no
big wavelength = big or small frequency? - small
as the wavelength of a wave in a uniform medium increases, its speed will - remain the same
as the wavelength of a wave in a uniform medium increases , its frequency will - decrease
the speed of a wave is usually effected by - the properties of the medium which the wave travels
as frequency grows, distance - decreases
the positions along the medium that appear to be stationary are known as; points of no displacement -
nodes
the positions along the medium that are undergoing rapid motion between a max positive and max
negative displacement are known as; they are the opposite of the points of no displacement - antinodes
each node is separated by the adjacent node by a distance that is = to - .5 wavelength
, incident pulse - a pulse that is approaching a boundary
reflected pulse - the portion of the pulse that is reflected
transmitted pulse - the portion that that passes into the other medium
fixed end - inverted; hits first comes out first; will flip
free end - stays upright; comes in first goes out first; doesnt flip
more dense to less dense
the reflected pulse in med 1 __________ be inverted because - will not; it is more to less dense
more dense to less dense
the speed of the transmitted pulse will be ______________ the speed of the incident pulse - greater
than
more dense to less dense
the speed of the reflected pulse will be _____________ the speed of the incident pulse - the same as
more dense to less dense
the wavelength of the transmitted pulse will be _________ the wavelength of the incident pulse -
greater than
less to more dense
the reflected pulse in med 2 _____________ be inverted because - will; it is less to more
less to more dense
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