Test your basic knowledge |

AP Physics Formulas

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. force a charge in a Bfield
E/B
qVB
opposite motion
deltaU = deltaQ + deltaW

2. force of frction on an incline
0
mgCostheta(mu)d
(1/Do) + (1/Di) = (1/f)
E/B

3. formula for change in internal energy in a cosnstat volume PV process
(No)(wavelength)=(Nn)(new wavelength)
2nt=mwavelength
(3/2)nRdeltaT
(hc/wavelength)=h(Fo) +(Vs)

4. radius of curvature of a charged particle as it enters a uniform magnetic field
hc/wavelength
net work = delta K
m(v^2)/qvB
inelastic collision

5. snells law
nSintheta=nsintheta
dSintheta=mwavelength
qE
pL/A

6. formula for critical angle
AV=(A2)(V2)
Ed=V
(Fn)(mu)
(N2)/(N1)

7. formula to find the absoluate pressure at the bottom of a pool
V^2=(Vo)^2 +2a*change in x
joules/second
(Patm) + (Pgauge)
constant volume

8. formula for centripetal acceleration
(V^2)/r
(N2)/(N1)
2nt=mwavelength
.5CV^2 or .5 Q^2/C or .5QV

9. voltage induced in a rod moving through a uniform magnetic field
-KA
BLv
((Qin) -(Qout))/(Qin)
roegh

10. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
BA
.5mV^2 + .5KA^2
KI/r
no heat flow

11. formula relating voltage and electric field
no temp change
Ed=V
(No)(wavelength)=(Nn)(new wavelength)
(Wnet)/(Qin)

12. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
2nt=mwavelength
AV=(A2)(V2)
(Di)/(Do) or (Hi)/(Ho)

13. formula for impluse involving time
mV -m(Vo)
(N2)/(N1)
J= Ft
delta x = (Vo)t + .5at^2

14. type of collision where K is conserved
2Pi * sqrt(l/g)
elastic collision
qE
(hc/wavelength)=h(Fo) +(Vs)

15. change in internal energy during a cyclic process
0
sqrt(3KT/m)
(No)(wavelength)=(Nn)(new wavelength)
h/wavelength

16. heat during a cyclic process (net heat)
0
no force (right hand rule)
deltaU -deltaW
VI

17. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
mgCostheta(mu)d
opposite motion
Ed=V
G M/((d/2)^2)

18. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
mV -m(Vo)
GM*M/(r^2)
sqrt(3KT/m)

19. formula for charge stored in a capciator
(I^2)R
Q=CV
h/mv
delta x = (Vo)t + .5at^2

20. third kinematic
deltaU -deltaW
no temp change
V^2=(Vo)^2 +2a*change in x
KQ/r

21. equation of continuity
Joules/Columb
M(Lf)
1/2wavelength
AV=(A2)(V2)

22. formula for the wavelength (debroglie wavelength) of a moving particle
Columbs/second
K |q||Q|/r^2
((Qin) -(Qout))/(Qin)
h/mv

23. electric potential a distance r from a charge
V = (Vo) + at
KQ/r
V^2=(Vo)^2 +2a*change in x
K |q||Q|/r^2

24. type of collision where objects stick togerther
h(Fo)
BLv
BA
perfectly inelastic collision

25. formula for impulse involving momentum
mV -m(Vo)
e=mc^2
.5mV^2 + .5KA^2
constant volume

26. natural frequency of a closed tube of length L
hc/wavelength
V = (Vo) + at
1/4wavelength
frequency never changes for light problems

27. total capacitance of capacitors in series
M(Lf)
1/((1/C)+(1/C)..........)
roeVg
(No)(wavelength)=(Nn)(new wavelength)

28. what direction is friction?
(Di)/(Do) or (Hi)/(Ho)
opposite motion
V = (Vo) + at
qVB

29. energy of a photon if wavelength is known
hc/wavelength
(Wnet)/(Qin)
dSintheta=mwavelength
VI

30. formula for energy of a spring mass when spring is at maximum displacement
V+IR
h(Fo)
.5KA^2
qV

31. formula for power with Voltage and resistance
V = (Vo) + at
V+IR
2Pi * sqrt(l/g)
(V^2)/R

32. magnification equation
((Qin) -(Qout))/(Qin)
K |q||Q|/r^2
(Di)/(Do) or (Hi)/(Ho)
(N2)/(N1)

33. formula to find the gauge pressure at the bottom of a pool
n(Cv)(deltaT)
h/mv
roegh
hc/wavelength

34. second kinematic
delta x = (Vo)t + .5at^2
h/mv
(EMF)Rt/10
(V^2)/R

35. electric field in a distance r from a charge
h/mv
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
E/B

36. isothermal
(Fn)(mu)
no temp change
.5CV^2 or .5 Q^2/C or .5QV
dSintheta=mwavelength

37. heat required to melt a substance
M(Lf)
2Pi * sqrt(l/g)
elastic collision
(Fn)(mu)

38. isobaric
h(Fo)
constant pressure
(V^2)/r
pL/A

39. formula for period of a pendulum
.5CV^2 or .5 Q^2/C or .5QV
GM*M/(r^2)
1/((1/C)+(1/C)..........)
2Pi * sqrt(l/g)

40. focal length of a mirror with radius d
roegh
1/2wavelength
sqrt(T/(m/))
d/2

41. formula for finding the momentum of a photon
joules/second
(Fn)(mu)
h/wavelength
KQ/r

42. the electric force between two objects of charge Q
(I^2)RT
nSintheta=nsintheta
K |q||Q|/r^2
(N2)/(N1)

43. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
dSintheta=mwavelength
(V^2)/R
(EMF)Rt/10
2Pi * sqrt(l/g)

44. new wavelength of light as it enters a new substance
hc/wavelength
n(Cv)(deltaT)
(No)(wavelength)=(Nn)(new wavelength)
GM*M/(r^2)

45. resistance of a wire
pL/A
qE
nSintheta=nsintheta
e=mc^2

46. formula for Carnot efficiency
2nt=mwavelength
((Th) -(Tl))/(Th)
net work = delta K
joules/second

47. natural frequency of an open tube of length L
mgCostheta(mu)d
VI
qV
1/2wavelength

48. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
J= Ft
L -LCostheta
qE

49. hooke's law force of a spring
-KA
.5mV^2 + .5KA^2
KI/r
BA

50. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
inelastic collision
elastic collision
delta x = (Vo)t + .5at^2