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midterm for physics
stuff one wll need to know for this class of physics.
26
Physics
Undergraduate 2
10/13/2011

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Cards

Term
Ttansformers use ac so there will be the required
Definition
change in magnetic field for operation
Term
A mixture of cyan and yellow pigments appears
Definition
green
Term
What color }ight is transmitted by a piece of blue glass
Definition
blue
Term
The electrical force between charges depends only on the charges
Definition
magnitude and separation distancel
Term
The natural frequency of an object depends on its
Definition
size shape elasticity
Term
The quality of a musical note has to do with its
Definition
harmonics
Term
The shortest plane mirror in which you can see your entire image is
Definition
half your height
Term
Compared to its average speed in air, the average speed of a beam of light in glass is
Definition
less
Term
The average speed of light is greatest in
Definition
red glass
Term
Wave interference occurs for
Definition
sound waves,light waves,water waves.
Term
Compared to ultraviolet waves, the wavelength of infrared waves is
Definition
longer
Term
Magnetic field lines about a current-carrying wire
Definition
circle the wire in closed loops
Term
Which of the following is not a transverse wave?
Definition
sound
Term
The approximate rarrge of human hearing is
Definition
20-20,000 hertz
Term
Compared to a sound of 30 decibels, a sound of 60 decibels is
Definition
1000 times as intense
Term
the_____________of sound a sound is the power carried per square meter.
Definition
intensity.
Term
______________ colors are any two colors that, when added, produce white light.
Definition
complementary.
Term
___________is the bending of an oblique ray of light when it passes from one transparent medium to another.
Definition
Refraction
Term
A/An_____________is the responce of a body when forcing frequency matchs its natural frequency.
Definition
resonance.
Term
A/AN_____________ is a partial tone whose frequency is an integer multiple of the fundamental.
Definition
harmonic
Term
in general, a state of balance.the state in which no net change of energy occurs.
-the straight line that runs through the wavelength graph.
Definition
equilibrium
Term
result of superposing different waves, ofton of the same wavelength. constructive ___________ resullts from crest to crest reinforcement. destructive _____________ = crest to through.
-when to waves are present at the same time
Definition
interference
Term
periodic variaton in loudness of sound

-looks like this on a wavelength graph
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
Definition
beat
Term
change in frequency of a wave of sound or light due to the motion of the source or the reciever.
- circles move in a direction
Definition
doppler effect.
Term
distance between succesive crests, troughs, or identical parts of waves.
Definition
wavelength
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