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 three types of radiation?
The charge on each capacitor.
Alpha - Beta - and Gamma
Work of a system is equal to 1-Qc/Qh
The refracted light ray is bent 90°. (Parallel to the interface surface.)


2. In uniform circular motion - how is tangential velocity calculated?
2(pi)R/T ...Circumference/Period
V - a Joule/Coulomb
A potential difference and a flow and energized charges.
x=(1/2)at^2 Remember - the word 'dropped' implies no initial velocity.


3. What is the derived equation for the ACCELERATION of gravity in terms of m and 'r' squared?
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.
When a body's speed is changing.
G(M:earth)/r^2 ...force of gravity = G(M:earth)(M:body)/r^2
Parallel. Because the plates are shared.


4. What is acceleration?
Work is positive when the force and displacement point in the same direction.
How quickly you change velocity.
N•m
Atomic number is the number of protons. Atomic mass number is the number of nucleons - (protons and neutrons.)


5. What do you know about two objects that are launched at different horizontal velocities?
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)
Bernoulli's equation - Flow Rate = Volume/time
They fall - vertically - the by the same amount in the same time.
Initial velocity


6. What is an adiabatic process?
The measure of the average kinetic energy of the molecules.
A change in the gas' temperature.
An adiabatic process is where no thermal energy is transfered between the system and its surroundings.
Newton


7. How can total momentum be calculated?
Newton
Newton
Work is positive when the force and displacement point in the same direction.
Adding the momentum of all the bodies.


8. What is mass energy equivalence?
Energy and mass are equated by E=mc^2.
The velocity is positive
C=kEA/d: Increase the area of the plates - decrease the distance between the plates -and increase the dielectric constant between the plates.
They fall - vertically - the by the same amount in the same time.


9. What is the name given to the distance between the pivot point and applied perpendicular force?
Radio - Infrared - Visible - UltraViolet - X-Rays - Gamma Rays.
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.
Sum of the torques equal zero.
Moment arm


10. What quantity ADDS for resistors in series?
Moment arm
Resistance: R=R1+R2+R3+...
Only 1/2 a wavelength fits in the tube. L=wavelength/2
Watt


11. How must the mediums light is traveling through be arranged so that the condition for the critical angle can exist?
E=V/d
When the object is beyond the focus for a concave mirror.
Light must travel from more to less dense so the refracted ray can bend away from the normal.
the refracted ray bends AWAY from the normal line.


12. What comprises beta radiation?
Work is positive when the force and displacement point in the same direction.
Sum of the torques equal zero.
The release of an electron and antineutrino or the release of a positron and a neutrino.
V=Vo + at ...The word 'dropped' means no initial velocity.


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. S.I. unit of pressure
When a body's speed is changing.
No image.
Pascal
the refracted ray bends AWAY from the normal line.


15. In a pendulum or spring - what are the displacement - velocity - PES - and K at maximum displacement?
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.
Work is the change in kinetic energy. Work transfers energy to and from a body
Change in voltage across the resistor or capacitor.
The electron


16. What direction controls time in falling body and projectile motion problems?
Ohm's Law: V=IR
The energy required to remove an electron or nucleon from a molecule.
Concave
Vertical direction


17. What is heat?
E=V/d
The transfer of thermal energy
Transverse waves: The displacement is perpendicular to the wave's motion. Longitudinal waves: The displacement is in the direction of the wave's motion.
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)


18. The 'V' is (rho)Vg
Work of a system is equal to 1-Qc/Qh
m=(rho)V
E=hf ...E=energy of a single photon (J) - h = Plank's constant - f=frequency (Hz)
The volume under water


19. When is sum of force (net force) NOT zero?

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


20. What doesn't change (speed - frequency - or wavelength) - when light moves from one medium to another?
Potential energy stored in gravity (PE = mgh)
The release of an electron and antineutrino or the release of a positron and a neutrino.
It is the net force pointing towards the center.
frequency (Think of the color as not changing.)


21. What does light absorption involve?
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.
Potential energy stored in gravity (PE = mgh)
Q=0 because thermal energy is not transfered between the system and its surroundings
Atomic number is the number of protons. Atomic mass number is the number of nucleons - (protons and neutrons.)


22. How does a wires composition effect resistance?

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


23. What is force times the parallel diplacement?
An adiabatic process is where no thermal energy is transfered between the system and its surroundings.
The charge on each capacitor.
Work
the refracted ray bends TOWARDS the normal line.


24. Define Refraction
The body is moving at a constant velocity
The bending of light
V - a Joule/Coulomb
Lenses that are fatter in the middle than on the edges.


25. What is meant by the terms system and environment?
Pendulums depend on the length of the arm and the pull of gravity. springs depend on mass and the spring constant.
The charge on each capacitor.
system is the gas being studied. Environment is the surroundings outside the gas.
Impulse is the change in momentum


26. What is transmutation?
N/C
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
It is when a nucleon changes properties. Like a neutron changing into a proton.
Joule


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

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


28. What is the relationship between power - voltage and current?
Potential difference is the change in energy of a charged particle divided by its charge.
Electric potential is the potential energy associated with the electric force F=qE
P=IV
V=kq/R


29. How much work is the work done on an object moving in a circle? Why?
The bouncing of light
Lenses that are thinner in the middle than on the edges.
The PVT conditions change for a gas without changing the temperature.
Zero. Because the displacement is perpendicular to the force (centripetal force.)


30. The speed of a ball when it lands at the same height it was thrown from.
The transfer of thermal energy
Initial velocity
Concave
W = KE:final - KE:initial


31. Formula for the electric force felt by a charged particle in an electric field.
Entropy always increases.
A1v1=a2v2
F=qE
convex mirrors are diverging mirrors.


32. Give an example of a transverse and a longitudinal wave.

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


33. What is the work done on a charged particle by the magnetic field? Why?
ZERO. Because the force is perpendicular to the displacement . (Open right hand rule.)
the refracted ray bends AWAY from the normal line.
convex mirrors are diverging mirrors.
KE=(3/2)kT where k is Boltzman's constant


34. What is work energy theorem and what is its significance?
Longitudinal Wave: Sound wave - Transverse Wave: Light wave - 'The Wave' in a a crowd at a porting event.
V - a Joule/Coulomb
Work is the change in kinetic energy. Work transfers energy to and from a body
E=hf ...E=energy of a single photon (J) - h = Plank's constant - f=frequency (Hz)


35. S.I. unit of centripetal force
A potential difference and a flow and energized charges.
Newton
Electric potential is the potential energy associated with the electric force F=qE
Force lifting a body when it is in a fluid.


36. Under what conditions is heat negative?

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


37. Energy of a SINGLE photon
When it is on the 'dark' side of the mirror. Opposite the light.
It is the time for 1/2 a substance to decay by radioactive processes.
E=hf
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.


38. Flow Rate
Work done 'BY' the gas.
But placing more obstacles in the path of the charge's flow.
(Cross-sectional Area)(Velocity)
W=qV


39. Which kind of mirror can show a real image?
Pendulums depend on the length of the arm and the pull of gravity. springs depend on mass and the spring constant.
Concave
C=kEA/d: Increase the area of the plates - decrease the distance between the plates -and increase the dielectric constant between the plates.
Impulse is the change in momentum


40. What is the formula relating emf and voltage?
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)
PV=nRT and PV=kT
The volume under water
The transfer of thermal energy


41. Define reflection
Only 1/4 wavelength fits in the tube. L=wavelength/4
The bouncing of light
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)
The incoming light (electromagnetic wave) has the same frequency as some of the electrons.


42. What are the three rules needed for mirrors - since not all three work every time?
Work is positive when the force and displacement point in the same direction.
(1) Bounced off the vertex. (2) Parallel the through the focus. (3) Through the focus and parallel.
Initial velocity
kg•m/s


43. What is force times the perpendicular distance?
When it is on the same side as the image?
kg•m/s
E=kq/R^2
Torque


44. What is internal energy?
Zero.
The motion of the molecules in gas.
Force lifting a body when it is in a fluid.
KE = (3/2)kT


45. What is the difference between emf and voltage?
When a body's speed is changing.
m^3/s
'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.
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.


46. What is implied when an object is not accelerating in the x direction?
The body is moving at a constant velocity
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.
Power ... Power equals the change in energy over time.
V=E - IR V=terminal voltage (Volts) - E = emf: electromotiveforce (Volts) - IR = Internal drop in energy per charge (Volts)


47. Force in terms of pressure
N•m
Force= Pressure/Area
Lenses that are fatter in the middle than on the edges.
Potential difference is the change in energy of a charged particle divided by its charge.


48. Under what conditions is mechanical work negative?
The force is perpendicular to the motion to get a circular path of motion. (Think about centripetal force.)
Concave
Atomic number is the number of protons. Atomic mass number is the number of nucleons - (protons and neutrons.)
Work is positive when the force and displacement point in the same direction.


49. What equation describes the speed in the y-direction of a projectile 't' seconds after it started moving?
Change in voltage across the resistor or capacitor.
ZERO
Vy=Vyo + gt ...Watch the signs.
x=(1/2)at^2 Remember - the word 'dropped' implies no initial velocity.


50. What kind of capacitor circuit adds to find the total capacitance?
Parallel. Because the plates are shared.
N•m
The centripetal acceleration points along the radius towards the center of the circle. (Just like the centripetal force.)
Concave