Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. The 'V' is (rho)Vg
The higher the temperature the higher the resistance. They are proportional to each other.
They fall - vertically - the by the same amount in the same time.
The volume under water
The interaction between an oscillating electric magnetic fields that are oriented 90° to each other. It propagates indefinitely because the wave takes its own medium.


2. What quantity ADDS for resistors in series?
(Cross-sectional Area)(Velocity)
Resistance: R=R1+R2+R3+...
F=Bilsin(theta) ...F=Force (N) - B:=magnetic field (T) - i=current (A) - l=length of wire in the field (m) - theta is the acute angle between the field and current's directions.
PV=nRT and PV=kT


3. What is the area under the acceleration versus time graph?
KE=Work
frequency (Think of the color as not changing.)
Speed ups
The CHANGE in velocity.


4. How is a force's direction oriented compared to a bodies direction of motion to get a circular (curved) path of motion?
The force is perpendicular to the motion to get a circular path of motion. (Think about centripetal force.)
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet
Potential energy stored in gravity (PE = mgh)
velocity


5. What is work energy theorem and what is its significance?
The graph of force vs displacement
Ohm's Law: V=IR
Work is the change in kinetic energy. Work transfers energy to and from a body
Work


6. How is the magnitude of the force on a current carrying wire calculated?

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7. S.I. unit of flux
Same number of protons by a different number of neutrons. e.g. Carbon-12 versus Carbon-14
Lenses that are fatter in the middle than on the edges.
Weber
Convex


8. What does light emission involve?
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.
The thicker the wire - the lower the resistance.
Transverse waves: The displacement is perpendicular to the wave's motion. Longitudinal waves: The displacement is in the direction of the wave's motion.
Magnitude and direction


9. How length effect resistance?
Impulse
Concave
The longer the length of wire - the higher the resistance.
(1) Straight through the vertex. (2) Parallel then through the primary focus.


10. What is the path of a charged particle in a magnetic field?
velocity
Resistance: R=R1+R2+R3+...
The particle travels in a circle. Radius=momentum/qB
E=V/d


11. How is the net work of a system (gas) measured?
Concave mirrors are converging mirrors.
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
dU = zero. The change in temperature of the gas is zero.


12. Average kinetic energy of an ideal gas's SINGLE molecule.
KE = (3/2)kT
V=kq/R
Moment arm
Entropy always increases.


13. What are the three rules needed for mirrors - since not all three work every time?
But placing more obstacles in the path of the charge's flow.
No image.
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.
the refracted ray bends TOWARDS the normal line.


14. What is Huygen's Principle?
Pendulums depend on the length of the arm and the pull of gravity. springs depend on mass and the spring constant.
Every point on a wave front is a secondary source.
The release of an energetic photon from an overly excited molecule.
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)


15. What is the order of the visible range electromagnetic spectrum?
When a body's speed is changing.
The new force is 2/4 or 1/2 times the old force. ...Because the force of gravity varies directly with the masses and inverse squared to the distance apart.
When it is on the 'dark' side of the mirror. Opposite the light.
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet


16. Define mass in terms of density.
Work of a system is equal to 1-Qc/Qh
Transverse waves: The displacement is perpendicular to the wave's motion. Longitudinal waves: The displacement is in the direction of the wave's motion.
It is used in Lenz's Law to determine the change in flux of a conductor.
m=(rho)V


17. What is the formula relating emf and voltage?
Obstacles in the path of the flow of charges.
When the body rests on a surface.
This is the highest point of the swinging motion. PE is at a maximum. Displacement is the greatest from equilibrium. KE and Velocity are zero.
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)


18. How must the mediums light is traveling through be arranged so that the condition for the critical angle can exist?
2(pi)R/T ...Circumference/Period
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Watt
N/C


19. S.I. unit of gravitational force
KE = (3/2)kT
Newton
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)
Energy and mass are equated by E=mc^2.


20. Under what conditions is work by a system ( gas) positive?
Work by a system is positive when the gas expands. (The volume increases.)
PV=nRT and PV=kT
The centripetal force points along the radius towards the center of the circle.
V=kq/R


21. Work is the area under which curve?
Newton
The graph of force vs displacement
Same number of protons by a different number of neutrons. e.g. Carbon-12 versus Carbon-14
W = KE:final - KE:initial


22. Continuity equation
E=V/d
In front of the mirror - in the light.
Newton
A1v1=a2v2


23. What is force times the parallel diplacement?
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.
Work
In front of the mirror - in the light.
A change in the gas' temperature.


24. What force is always present - and what is its equation?
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
It is used in Lenz's Law to determine the change in flux of a conductor.
The charge on each capacitor.
Weight ...w=mg


25. What is the energy of a photon?

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26. What causes radioactivity?
Current stays the same for resistors in series.
The release of a particle or photon from an UNSTABLE nucleus.
The initial velocity - (Vo in the formulas)
N•m


27. What do you do with any vector that is not on either the x or y axis?
Newton
frequency (Think of the color as not changing.)
The electric force (Coulomb's Law) can attract and repel and it depends on charge. Universal Gravity depends on mass and always attracts.
Break it up into x and y components using trig - add up the components.


28. What is the difference between the variable 'q' and 'Q?'?

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29. How is the force on a charged particle in a magnetic field creating the path calculated?
m^3/s
Atmospheric pressure
When the body rests on a surface.
The force is perpendicular to the motion. This always results in a curved path. (Open right hand rule)


30. What are the two forms of the ideal gas law?
Broad bright spot in the middle and alternating dark and light spots to the sides.
Lenses that are thinner in the middle than on the edges.
PV=nRT and PV=kT
When the object is beyond the focus for a concave mirror.


31. S.I. unit of pressure
The bending of light
The work function is a minimum amount of energy needed to release a photon from a collection in the surface of a material. The ionization energy is the energy needed to release an electron from a single - free-floating - molecule. the ionization ener
Pascal
The thicker the wire - the lower the resistance.


32. When is the image negative for a lens?
When it is on the same side as the image?
Vy=Vyo + gt ...Watch the signs.
(1) The image is larger than the object: ho>hi. (2) image is upright.
Obstacles in the path of the flow of charges.


33. What is the component of 'mg' parallel to a slope?
Zero. Because the displacement is perpendicular to the force (centripetal force.)
Force lifting a body when it is in a fluid.
F=Bilsin(theta) ...F=Force (N) - B:=magnetic field (T) - i=current (A) - l=length of wire in the field (m) - theta is the acute angle between the field and current's directions.
(mg)sin(angle)


34. What direction controls time in falling body and projectile motion problems?
It is the time for 1/2 a substance to decay by radioactive processes.
When a body is moving at a constant velocity or not moving at all.
Vertical direction
It is the release of photoelectrons released by photons with an energy (E=hf) above the work function.


35. What is the difference between elastic and inelastic collisions? State the relevant equations for each.

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36. What is a key requirement in order for work to be done?
Provided experimental proof of the wave property of light.
A displacement must occur. ( W=Fd)
Alpha - Beta - and Gamma
The light travels through the image.


37. Define Refraction
Impulse is (force)(time)
The bending of light
dU = zero. The change in temperature of the gas is zero.
Potential energy stored in gravity (PE = mgh)


38. What stays the same for resistors or capacitors in parallel?
Change in voltage across the resistor or capacitor.
A1v1=a2v2
The Law of reflection states that the incident angle of a wave is equal to the reflected angle.
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet


39. What is an adiabatic process?
Alpha - Beta - and Gamma
The force is perpendicular to the motion. This always results in a curved path. (Open right hand rule)
An adiabatic process is where no thermal energy is transfered between the system and its surroundings.
The light travels through the image.


40. What do batteries and generators produce?
A potential difference and a flow and energized charges.
PV=nRT and PV=kT
Weber
m=(rho)V


41. What is ionization energy and how does it compare to the work function?
The work function is a minimum amount of energy needed to release a photon from a collection in the surface of a material. The ionization energy is the energy needed to release an electron from a single - free-floating - molecule. the ionization ener
Convex
The velocity is positive
Transverse waves: The displacement is perpendicular to the wave's motion. Longitudinal waves: The displacement is in the direction of the wave's motion.


42. How does the closed right hand rule work in electromagnetic induction?

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43. Mathematically what does centripetal force represent and how is centripetal force calculated?

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44. What happens at the critical angle?
Force= Pressure/Area
Parallel. Because the plates are shared.
convex mirrors are diverging mirrors.
The refracted light ray is bent 90°. (Parallel to the interface surface.)


45. What is the difference between atomic number and atomic mass number?
Atomic number is the number of protons. Atomic mass number is the number of nucleons - (protons and neutrons.)
ZERO
Bends waves around small objects and the interference of waves from a coherent sources.
It is an arrow that DOES NOT touch the body. Recall that the net force is the answer when all the forces are added up.


46. How does temperature effect resistance?
Current stays the same for resistors in series.
The higher the temperature the higher the resistance. They are proportional to each other.
Velocity has a direction and speed does not have direction.
The work function is a minimum amount of energy needed to release a photon from a collection in the surface of a material. The ionization energy is the energy needed to release an electron from a single - free-floating - molecule. the ionization ener


47. What is the electric field's magnitude inside of a container made from an electrical CONDUCTOR?
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.
Obstacles in the path of the flow of charges.
P=IV
Zero.


48. What is force times time?
Impulse
Statistically speaking - energy flows from hot to cold.
(mg)sin(angle)
(1) Straight through the vertex. (2) Parallel then through the primary focus.


49. How can you tell when an engine is a Carnot Engine?

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50. Which kind of mirror cannot magnify an image?
The centripetal force is the net force. It's magnitude is calculated from F=ma where 'a' is the centripetal force.
Parallel. Because the plates are shared.
Atmospheric pressure
Convex