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. formula for centripetal acceleration
.5KA^2
0
(1/Do) + (1/Di) = (1/f)
(V^2)/r

2. the force on a charge in an electric field
-KA
qE
Columbs/second
(3/2)nRdeltaT

3. formula for finding magnetic flux
nSintheta=nsintheta
e=mc^2
BA
AV=(A2)(V2)

4. formula for power with current and resistance
delta x = (Vo)t + .5at^2
M(Lf)
qrB/m
(I^2)R

5. formula for impulse involving momentum
mV -m(Vo)
(Fn)(mu)
KQ/r
(V^2)/r

6. force of frction on an incline
GM*M/(r^2)
mgCostheta(mu)d
sqrt(T/(m/))
dSintheta=mwavelength

7. radius of curvature of a charged particle as it enters a uniform magnetic field
m(v^2)/qvB
1/4wavelength
(hc/wavelength)=h(Fo) +(Vs)
Joules/Columb

8. formula equating energy and mass
e=mc^2
net work = delta K
BA
(3/2)nRdeltaT

9. isobaric
BA
perfectly inelastic collision
constant pressure
constant volume

10. formula for constructive interference in a thin membrane with two phase changes
V^2=(Vo)^2 +2a*change in x
qVB
2nt=mwavelength
constant volume

11. heat during an isometric process
(hc/wavelength)=h(Fo) +(Vs)
constant volume
n(Cv)(deltaT)
((Th) -(Tl))/(Th)

12. formula for efficiency of a heat engine using work out
V = (Vo) + at
KI/r
(Wnet)/(Qin)
1/2wavelength

13. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
G M/((d/2)^2)
(hc/wavelength)=h(Fo) +(Vs)
GM*M/(r^2)
2nt=mwavelength

14. formula relating voltage and electric field
L -LCostheta
G M/((d/2)^2)
Ed=V
Q=CV

15. the force on a charge moving parallel to a magnetic field
qV
roegh
no force (right hand rule)
constant volume

16. units for voltage other than volts
2nt=mwavelength
Joules/Columb
BLv
-KA

17. natural frequency of a closed tube of length L
rF
(Patm) + (Pgauge)
1/4wavelength
no force (right hand rule)

18. formula for buoyant force
roeVg
(Di)/(Do) or (Hi)/(Ho)
M(Lf)
dSintheta=mwavelength

19. voltage induced in a rod moving through a uniform magnetic field
net work = delta K
BLv
qVB
.5KA^2

20. formula for impluse involving time
J= Ft
(EMF)Rt/10
sqrt(3KT/m)
no force (right hand rule)

21. new wavelength of light as it enters a new substance
Q=CV
(No)(wavelength)=(Nn)(new wavelength)
G M/((d/2)^2)
2nt=mwavelength

22. electric field in a distance r from a charge
(Fn)(mu)
J= Ft
k|Q|/r^2
MC(deltaT)

23. magnification equation
Ed=V
(No)(wavelength)=(Nn)(new wavelength)
(Di)/(Do) or (Hi)/(Ho)
qE

24. formula for the wavelength (debroglie wavelength) of a moving particle
FV
h/mv
sqrt(T/(m/))
L -LCostheta

25. second kinematic
Joules/Columb
sqrt(T/(m/))
delta x = (Vo)t + .5at^2
M(Lf)

26. adibatic
k|Q|/r^2
no heat flow
G M/((d/2)^2)
(Fn)(mu)

27. formula for critical angle
(N2)/(N1)
qVB
nSintheta=nsintheta
(Wnet)/(Qin)

28. formula for Carnot efficiency
deltaU = deltaQ + deltaW
((Th) -(Tl))/(Th)
e=mc^2
elastic collision

29. focal length of a mirror with radius d
BA
d/2
E/B
m(v^2)/qvB

30. the electric force between two objects of charge Q
V+IR
h/wavelength
1/2wavelength
K |q||Q|/r^2

31. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(V^2)/R
(EMF)Rt/10
no heat flow
rF

32. formula for period of a pendulum
2Pi * sqrt(l/g)
GM*M/(r^2)
(Patm) + (Pgauge)
M(Lf)

33. velocity of an electrion as it exitws from the hole
(No)(wavelength)=(Nn)(new wavelength)
.5mV^2 + .5KA^2
deltaU = deltaQ + deltaW
qrB/m

34. the units of power other than watts
joules/second
F/A
MC(deltaT)
L -LCostheta

35. lens/mirror equation
qE
(I^2)R
(1/Do) + (1/Di) = (1/f)
1/2wavelength

36. change in internal energy during a cyclic process
0
(V^2)/R
Columbs/second
(N2)/(N1)

37. formula to find the absoluate pressure at the bottom of a pool
(I^2)R
mgCostheta(mu)d
qrB/m
(Patm) + (Pgauge)

38. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(hc/wavelength)=h(Fo) +(Vs)
AV=(A2)(V2)
inelastic collision
deltaU = deltaQ + deltaW

39. electric potential a distance r from a charge
BA
deltaU = deltaQ + deltaW
KQ/r
K |q||Q|/r^2

40. equation of continuity
((Qin) -(Qout))/(Qin)
(No)(wavelength)=(Nn)(new wavelength)
sqrt(3KT/m)
AV=(A2)(V2)

41. resistance of a wire
V^2=(Vo)^2 +2a*change in x
elastic collision
pL/A
qE

42. force of gravity between two objects of mass m
GM*M/(r^2)
2Pi * sqrt(l/g)
M(Lf)
(Patm) + (Pgauge)

43. formula for finding the momentum of a photon
FV
VI
h/wavelength
(V^2)/R

44. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
E/B
nSintheta=nsintheta
joules/second
0

45. equation for the first law of thermodynamics
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
deltaU = deltaQ + deltaW
MC(deltaT)

46. force a charge in a Bfield
0
(1/Do) + (1/Di) = (1/f)
qVB
e=mc^2

47. snells law
nSintheta=nsintheta
net work = delta K
F/A
(Patm) + (Pgauge)

48. total capacitance of capacitors in series
opposite motion
1/((1/C)+(1/C)..........)
.5mV^2 + .5KA^2
qrB/m

49. formula for torque
constant pressure
constant volume
no temp change
rF

50. the units of current other than amps
(I^2)RT
qVB
Columbs/second
net work = delta K