AP Physics

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. What are the two forms of the ideal gas law?
Alpha
PV=nRT and PV=kT
The measure of the average kinetic energy of the molecules.
Emf is the maximum available energy per charge at the terminal of a power source. Voltage is the actual available energy per charge at the terminals of a power source. Some energy is lost due to the source internal resistance.


2. What does the pattern look like in a Young's Single Slit diffraction pattern?
Break it up into x and y components using trig - add up the components.
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.
Broad bright spot in the middle and alternating dark and light spots to the sides.
Work is positive when the force and displacement point in the same direction.


3. What are 2 key differences between electric force and gravitational force?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


4. What did Rutherford discover?
An adiabatic process is where no thermal energy is transfered between the system and its surroundings.
Sum of all the energy forms before a condition equals the sum of all the energy forms after the condition.
The nucleus
Alpha - Beta - and Gamma


5. What kind of image do you get when the object is placed at the focus?
'm' is replaced by 'q -' and 'g' is replaced by 'E.' W=mg is replaced by F=qE. The second formula describes the force on a charged particle in uniform electric field.
No image.
dU = zero. The change in temperature of the gas is zero.
The release of an electron and antineutrino or the release of a positron and a neutrino.


6. Pressure of an open container at the opening.
Entropy always increases.
(1) Straight through the vertex. (2) Parallel then through the primary focus.
Atmospheric pressure
W=qV where 'W' is the work - 'q' is the charge and 'V' is the potential difference measured in Volts.


7. What is an isotope?
F=kq1q2/R^2
Bernoulli's equation - Flow Rate = Volume/time
(mg)sin(angle)
Same number of protons by a different number of neutrons. e.g. Carbon-12 versus Carbon-14


8. A ball rolls inside a salad bowl. The ball is released along the top edge and rolls down before climbing to the same height on the opposite side of the bowl. What is the direction of the acceleration of the ball when it at the top edge of the bowl?
It is towards the center and downwards a little. It is the sum of the normal force perpendicular to the bowl and the weight downwards.
A change in the gas' temperature.
Work is positive when the force and displacement point in the same direction.
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.


9. Which type of radiation has the highest energy?
W=qV
Gamma
The force is perpendicular to the motion to get a circular path of motion. (Think about centripetal force.)
(mg)sin(angle)


10. What is a key requirement in order for work to be done?
A displacement must occur. ( W=Fd)
Conservation of Energy ... because E=hf
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
N/C


11. What is the general equation for motion down a slope and how does it change if the object is going up the slope?
W = KE:final - KE:initial
Work
x=Vo + ((1/2)g)sin(angle)t^2
Work is positive when the force and displacement point in the same direction.


12. What is force times the perpendicular distance?
Vx=(Vxo)t ...Recall that there is no acceleration in the horizontal direction.
F=kq1q2/R^2
The higher the temperature the higher the resistance. They are proportional to each other.
Torque


13. Under what conditions is heat positive?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


14. What is transmutation?
Velocity has a direction and speed does not have direction.
It is when a nucleon changes properties. Like a neutron changing into a proton.
A1v1=a2v2
Resistance: R=R1+R2+R3+...


15. Which kind of mirror cannot magnify an image?
Vx=(Vxo)t ...Recall that there is no acceleration in the horizontal direction.
W = KE:final - KE:initial
Convex
The motion of the molecules in gas.


16. Under what conditions is mechanical work negative?
N/C
Dark in the middle and alternating light and dark spots after that.
Watt
Work is positive when the force and displacement point in the same direction.


17. What quantity stays the same for resistors in series?
When it is on the same side as the image?
Statistically speaking - energy flows from hot to cold.
Current stays the same for resistors in series.
Parallel. Because the plates are shared.


18. What is ionization energy and how does it compare to the work function?
the refracted ray bends TOWARDS the normal line.
V=kq/R
Sum of the torques equal zero.
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


19. How must the mediums light is traveling through be arranged so that the condition for the critical angle can exist?
Energy and mass are equated by E=mc^2.
Change in voltage across the resistor or capacitor.
Light must travel from more to less dense so the refracted ray can bend away from the normal.
Every point on a wave front is a secondary source.


20. What is its impact on the first law of thermodynamics of an adiabatic process?
(1) Straight through the vertex. (2) Parallel then through the primary focus.
Q=0 because thermal energy is not transfered between the system and its surroundings
(Cross-sectional Area)(Velocity)
V=kq/R


21. Define Refraction
The transfer of thermal energy
Break it up into x and y components using trig - add up the components.
V - a Joule/Coulomb
The bending of light


22. What comprises gamma decay?
The charge on each capacitor.
Sum of all the energy forms before a condition equals the sum of all the energy forms after the condition.
The release of an energetic photon from an overly excited molecule.
It is towards the center and downwards a little. It is the sum of the normal force perpendicular to the bowl and the weight downwards.


23. S.I. Unit of electric force
In front of the mirror - in the light.
(n1)sin(theta1) = (n2)sin(theta2)
The nucleus
Newton


24. What is the order of the visible range electromagnetic spectrum?
ROY-G-BIV: Red - Orange - Yellow - Green - Blue - Indigo - Violet
(rho)gh
Transverse waves: The displacement is perpendicular to the wave's motion. Longitudinal waves: The displacement is in the direction of the wave's motion.
The electric force (Coulomb's Law) can attract and repel and it depends on charge. Universal Gravity depends on mass and always attracts.


25. Define Snell's law.
(mg)sin(angle)
Work of a system is equal to 1-Qc/Qh
(n1)sin(theta1) = (n2)sin(theta2)
Statistically speaking - energy flows from hot to cold.


26. What two things must be true for a positive magnification?
(1) The image is larger than the object: ho>hi. (2) image is upright.
Conservation of Energy ... because E=hf
Work is positive when the force and displacement point in the same direction.
The electron


27. How does the speed change when the pressure is decreased?
The initial velocity - (Vo in the formulas)
Speed ups
Kinetic energy is conserved for an elastic collision and not for an inelastic collision. ELASTIC: m1v1 + m2v2 = m1v1'+m1v2': INELASTIC: m1v1 + m2v2 = (m1+m1)v
x=(1/2)at^2 Remember - the word 'dropped' implies no initial velocity.


28. When is sum of force (net force) zero?
In front of the mirror - in the light.
When a body is moving at a constant velocity or not moving at all.
The release of an electron and antineutrino or the release of a positron and a neutrino.
It is when a nucleon changes properties. Like a neutron changing into a proton.


29. Which kind of mirror can show a real image?
Only 1/4 wavelength fits in the tube. L=wavelength/4
The nucleus
V=kq/R
Concave


30. What happens at the critical angle?
A displacement must occur. ( W=Fd)
The refracted light ray is bent 90°. (Parallel to the interface surface.)
(1) Straight through the vertex. (2) Parallel then through the primary focus.
Lenses that are thinner in the middle than on the edges.


31. What is the derived equation for the electric field in terms of q and r^2 ?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


32. What does the term potential difference mean?
Potential difference is the change in energy of a charged particle divided by its charge.
Radio - Infrared - Visible - UltraViolet - X-Rays - Gamma Rays.
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^2
Initial velocity


33. When is a normal force present - what is its direction?
Electromagnetic wave exits the electrons to a higher orbital. When the electron relaxes - a wavelength of light is given off.
Joule
When the body rests on a surface.
A motor uses energy to spin the coils in a magnetic field. A generator spins the coils to create an potential difference.


34. How is the centripetal force represented in a free body diagram?
It is the net force pointing towards the center.
Sum of all the energy forms before a condition equals the sum of all the energy forms after the condition.
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
A motor uses energy to spin the coils in a magnetic field. A generator spins the coils to create an potential difference.


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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


36. When is the image negative for mirrors?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


37. Continuity equation
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)
N•m
Provided experimental proof of the wave property of light.
A1v1=a2v2


38. If you double the mass of one planet - triple the mass of another - and move them twice as far apart - what happens to the force of attraction between them?
Bernoulli's equation - Flow Rate = Volume/time
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.
The NET work BY a system is the area enclosed in a cycle on a PV diagram.
Parallel. Because the plates are shared.


39. What are the three types of radiation?
F=qE
2(pi)R/T ...Circumference/Period
Alpha - Beta - and Gamma
m=(rho)V


40. If you have two charges - and you double one charge and triple the other - and move them twice as far apart - what happens to the force of attraction / repulsion between them?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


41. What is the second law of thermodynamics?
2(pi)R/T ...Circumference/Period
Potential difference is the change in energy of a charged particle divided by its charge.
Statistically speaking - energy flows from hot to cold.
Work


42. How much work is the work done on an object moving in a circle? Why?
Zero. Because the displacement is perpendicular to the force (centripetal force.)
Newton
V=kq/R
Heat - (the 'Q' variable) - is NEGATIVE when thermal energy is being REMOVED from a system.


43. What is the path of a charged particle in a magnetic field?
kg•m/s
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.
The force is perpendicular to the motion to get a circular path of motion. (Think about centripetal force.)
The particle travels in a circle. Radius=momentum/qB


44. S.I. unit of gravitational force
Newton
V=Vo + at ...The word 'dropped' means no initial velocity.
A1v1=a2v2
Magnitude and direction


45. When light travels from MORE dense to LESS dense mediums - how does the refracted ray bend in relation to the normal line?
m=(rho)V
The force is perpendicular to the motion. This always results in a curved path. (Open right hand rule)
the refracted ray bends AWAY from the normal line.
In front of the mirror - in the light.


46. What is electromagnetic induction?
Joule
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.
Joule
Electromagnetic induction is the generation of an Emf by moving a conductor through a magnetic field. emf=change in flux/dt


47. What did Thompson discover?
Heat - (the 'Q' variable) - is NEGATIVE when thermal energy is being REMOVED from a system.
But placing more obstacles in the path of the charge's flow.
The electron
Kinetic energy is conserved for an elastic collision and not for an inelastic collision. ELASTIC: m1v1 + m2v2 = m1v1'+m1v2': INELASTIC: m1v1 + m2v2 = (m1+m1)v


48. What is needed for electromagnetic induction to occur?
(mg)sin(angle)
The initial velocity - (Vo in the formulas)
The light travels through the image.
Electromagnetic induction occurs when a conductor is moved through a magnetic field such that a component of the fields is perpendicular to the current;s direction.


49. What is the energy of a photon?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


50. What is the derived equation for the ACCELERATION of gravity in terms of m and 'r' squared?
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^2
DU = Q+W ...dU:of the environment = Q:from the environment + W:by the environment
Work is positive when the force and displacement point in the same direction.
Every point on a wave front is a secondary source.