Physics 2 Final
The Doppler effect is the change in observed frequency due to
the motion of the source or observer
True or false An object that becomes grounded gains neutrons during the grounding process.
False
A wave created by shaking a rope up and down is called a
transverse wave
In physics, a Hertz is a
Unit of frequency
A wave has
Velocity, wavelength, periods and carries energy
Unbroken" waves carry or displace
Energy only
What kind of plate boundary moves back and forth or parallel
Transform
If a battery provides a high voltage, it can ____.
do a lot of work on each charge it encounters
Sound waves in air are a series of
* high and low pressure regions * periodic disturbances * periodic condensations and rarefactions Series of frequency pulses
Current has a direction. By convention, current is in the direction that ___.
+ electrons move
Which of the following is a unit of current?
Amps
What is a trough on a graph?
Lowest point
Light waves are
transverse
How many seismic stations do seismologist need in order to find the epicenter of an earthquake?
3
Which of the following is most often the cause of electricity? Movement of
Electrons
As the sound of a car's horn passes and recedes (goes away) from you, the pitch of the horn seems to
Decrease
In Coulomb's Law, the INVERSE SQUARED part of the law is about which variable's influence on the overall electric force?
Distance
What plate boundary is LEAST likely to create strong earthquakes?
Divergent
Coulomb's Law can be states in equation form as F =k Q1 Q2/d2 If the distance between the objects doubles, what should you do to F to determine the resulting force?
Divide by 4
convection, the warmer Earth's core and cooler crust causes the mantle to make
A circular pattern
Where can you find the wavelength of a graph about waves?
A point to another point
When it comes to electric force, objects that are distantly located to one another will have _________ force.
A smaller
When it comes to electric force, increasing the overall charge of an object causes __________ to the electric force.
An increase
A neutral metal sphere is touched by a negatively charged metal rod. As a result, the sphere will be ____ and the metal rod will be ____.
Both negatively charged
The Q in Coulomb's law equation stands for the
Charge of a charged object
Which of the following causes objects to gain or lose overall charge by rubbing?
Charging by friction
What type of plate boundary creates mountains like the Himalayas and Andes?
Convergent
The boundary type that causes on plate to collide with and sink below another is
Convergent (subduction)
In convection, the Earth's mantle just below the surface or crust will
Cool and sink
An open circuit does not have flow or movement of electrons because, most directly, there is an interference/stopping of
Current
The primary cause of us hearing different pitches and seeing different colors is wave
Frequency
What physics force between the Earth's crust and mantle causes plates to move?
Friction
What is a crest?
Highest point of a wave
Coulomb's Law can be states in equation form as F =k Q1 Q2/d2 If the charge of one of the objects doubles, what should you do to F to determine the resulting force?
Multiples by 2
Coulomb's Law can be states in equation form as F =k Q1 Q2/d2 If the charge of BOTH of the objects doubles, what should you do to F to determine the resulting force?
Multiply by 4
Between which two plates are we most likely to find mountain ranges being formed?
Nazca and South American
When it comes to real life, common circuits, and increase in voltage will directly cause a/an
Increase in current
When work is done on a positive test charge by an external force to move it from one location to another, potential energy _________ (increases, decreases) and electric potential _________ (increases, decreases).
Increase, increase
Between which two plates is there a continent-continent convergent boundary?
Indian and Eurasian
Causing an object to "polarize" by moving electrons without actual touching of a charged object to a neutral object is called charging by
Induction
When a sound source moves towards you, what happens to the wave speed?
It stays the same
The speed of a wave will change when you change the__________ .
Medium it travels gbrough
Which of the following is a unit of resistance?
Ohms
Between which two plates are we most likely to find a transform boundary?
Pacific and North American
The time needed for a wave to make one complete cycle is called its
Period
In a __________ wave, matter vibrates perpendicular to the energy.
Perpendicular
When it comes to making diagrams in the "conventional" way, the movement of ______ is shown.
Protons
____ are the charged parts of an atom.
Protons and electrons
Which are the primary colors of LIGHT?
Red, blue, green
Which of the following converts the kinetic energy of electrons into some other (usable) energy form?
Resistance
The driving force of continental drift is convection. In convection, the Earth's core causes material in the mantle to...
Rise because its warmer
Which of the following would be most likely to transmit sound the best?
Steel in a bridge
Which of the following is true about the electrical circuit in your flashlight?
The battery supplies energy that raises charge from low to high voltage
What is the equilibrium?
The middle line
Polarized lenses are use in sports, fishing, and other events to make objects a pear more "clear". How do they achieve this more "clear" vision?
The only let light waves through that are on a single plane (like vertical)
This plate boundary is also called a "slip-strike" and creates earthquakes but not mountains.
Transform
Electromagnetic waves tend to be
Transverse waves
Electric potential of a system or object is measured as
Voltage
Which of the following is the unit of potential energy in an electric circuit?
Volts
Who formed the foundations for the Theory of Continental Drift
Wagner
The distance between successive identical parts of a wave is called its
Wavelength
With a spectroscope, a scientist looks at an object that is burning hydrogen. She sees 4 lines and is familiar with the pattern of those lines. If the object is moving towards her, compared to a stationary object, those four lines will
Will shit towards blue
A conductor differs from an insulator in that a conductor ________.
can become charged and an insulator cannot
Electrical forces ____.
can cause objects to attract or repel each other
A neutral metal sphere is touched by a negatively charged metal rod. During the process, electrons are transferred from the _____ to the _____ and the sphere acquires a _____ charge.
charged rod, neutral sphere, negative
The uniform distribution of charge is explained by the fact that ____.
excess electrons from the rest of the sphere are attracted towards the excess protons
When two or more waves are at the same place at the same time, the resulting effect is called
interference pattern
Sound is an example of a
longitudinal wave
Which are the primary pigment colors?
magenta, cyan, yellow
Compared to the speed of a light, sound travels
slower
Which of the following is NOT an electromagnetic wave?
sound
As the frequency of the waves is doubled... the wavelength___ and the speed is ___
the wavelength is halved and the speed remains constant