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Physics VOCAB for Final:: Chapter 12, 13, 14, 17, 21
Terms in this set (71)
simple harmonic motion
Vibration about an equilibrium position in which a restoring force is proportional to the displacement from equilibrium.
Maximum displacement from equilibrium.
Time it takes to execute a complete cycle of motion.
Number of cycles or vibrations per unit of time.
Defined as "spring force = -(spring constant)(displacement)" or " F elastic
Material through which a disturbance travels.
A wave whose propagation requires the existence of a medium.
A single non-periodic disturbance.
A wave whose source is some form of periodic wave.
A wave whose particles vibrate perpendicularly to the direction of wave motion.
The highest point above the equilibrium position.
The lowest point below the equilibrium position.
The distance between two adjacent similar points of the wave, such as from crest to crest or from trough to trough.
Is calculated by using the formula involving "frequency • wavelength".
A wave whose particles vibrate parallel to the direction of wave motion.
Interference in which individual displacements on the same side of the equilibrium position are added together to form the resultant wave.
Interference in which individual displacements on opposite sides of the equilibrium position are added together to form the resultant wave.
Wave patterns that results when two waves of the same frequency, wavelength, and amplitude travel in opposite directions and interfere.
Point in a standing wave the always undergoes complete destructive interference and therefore is stationary.
Point in a standing wave, halfway between two nodes, at which the largest amplitude occurs.
The region of a longitudinal wave in which the density and pressure are greater than normal.
The region of a longitudinal wave in which the density an pressure are less than normal.
How high or how low we perceive a sound to be, depending on the frequency of the sound wave.
Frequency shift that is the result of relative motion between the source of waves and an observer.
Rate at which energy flows through a unit area perpendicular to the direction of wave motion.
Relative intensity, determined by realign the intensity of a sound wave to the intensity at the threshold of hearing.
A condition that exists when the frequency of a force applied to a system matches the natural frequency of vibration of the system.
The lowest frequency of vibration of a standing wave.
Series of frequencies that includes the fundamental frequency and integral multiples of the fundamental frequency.
The quality of a steady musical sound that i the result of a mixture of harmonics present at different intensities.
Interference of waves of slightly different frequencies traveling in the same direction, perceived as a variation in loudness.
A transverse wave consisting of oscillating electric and magnetic fields at right angles to each other.
The turning back of an electromagnetic wave at the surface of a substance.
angle of incidence
The angle between a ray that strikes a surface and the normal to that surface at the point of contact.
angle of reflection
The angle formed by the line normal to a surface an the direction in which a reflected ray moves.
An image formed by light rays that only appear to intersect.
concave spherical mirror
An inwardly curved, mirrored surface that is a portion of a sphere and that converges incoming light rays.
An image formed when rays of light actually intersect at a single point.
convex spherical mirror
An outwardly curved, mirrored surface that is a portion of a sphere and that diverges incoming light rays.
The alignment of electromagnetic waves in such a way that the vibrations of the electric fields in each of the waves are parallel to each other.
The outcome of two unlike charges in close proximity.
The electric force between two charges is proportional to the product of the two charges and is inversely proportional to the square of the distance between two charges.
Material that transfers charge easily.
When a conductor is connected to the Earth by way of a conductive wire or conductive piping.
Material that does not transfer charge easily.
The process of charging a conductor by bringing it near another charged object and grounding the conductor.
A field that permeates the space around a charged object and in which another charged object experiences an electric force.
electric field lines
Lines that represent both the magnitude and the direction of the electric field.
When no net motion of charge occurs within a conductor.
This is where a surface charge is induced on an insulator by the presence of a charged object which slightly shifts the center of charge within the atoms or molecules that make up the insulator.
The outcome of two like charges in close proximity.
A region in which magnetic force can be detected.
magnetic north pole
is located at the GEOGRAPHIC SOUTH POLE.
A long, helically wound coil of insulated wire.
A microscopic magnetic region composed of a group of atoms whose magnetic fields are aligned in a common direction.
such as iron, cobalt, and nickel, are said to have large groups of atoms whose spins are aligned.
No matter how many times you cut a permanent magnet in half, each piece will have how many pairs of poles?
What happens when you hold a piece of unmagnetized iron next to a strong permanent magnet?
It will become magnetized.
geographic north pole
...of the Earth is also the magnetic South Pole of the Earth.
A magnet, such as a piece of magnetized iron, can lose its magnetism by hammering it or introducing a high degree of
HEAT to it.
According to the "right hand rule", the direction of the charge velocity
PERPENDICULAR to the direction of the magnetic field
The magnetic field within a solenoid can increase by upping the amount of current and is proportional to the number of
COILS per unit of length.
______ magnetic poles will repel while _____ poles will attract.
In a current carrying wire, the direction of the magnetic field follows a
CIRCULAR path around the wire.
When a small magnet is dropped repeatedly, the ______ of the domains is disrupted and the magnet becomes demagnetized.
If two charged particles encounter a magnetic field perpendicular to their velocities, they will be deflected in _________ directions f their signs are unlike each other.
THIS SET IS OFTEN IN FOLDERS WITH...
Physics (TRUE/FALSE & FILL IN THE BLANKS) Final St…
PHYSICS - CHAPTER 12 TERMS
PHYSICS - CHAPTER 13 TERMS
PHYSICS - CHAPTER 14 TERMS
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