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. radius of curvature of a charged particle as it enters a uniform magnetic field
d/2
m(v^2)/qvB
V^2=(Vo)^2 +2a*change in x
delta x = (Vo)t + .5at^2

2. the force on a charge moving parallel to a magnetic field
GM*M/(r^2)
1/2wavelength
no force (right hand rule)
mV -m(Vo)

3. force of friction
mgCostheta(mu)d
(N2)/(N1)
(Fn)(mu)
.5mV^2 + .5KA^2

4. equation of continuity
2nt=mwavelength
Columbs/second
AV=(A2)(V2)
m(v^2)/qvB

5. formula to find the gauge pressure at the bottom of a pool
frequency never changes for light problems
1/((1/C)+(1/C)..........)
roegh
elastic collision

6. heat during a cyclic process (net heat)
2Pi * sqrt(l/g)
(1/Do) + (1/Di) = (1/f)
deltaU -deltaW
K |q||Q|/r^2

7. adibatic
frequency never changes for light problems
m(v^2)/qvB
no heat flow
pL/A

8. heat required to change temperature of a substance
e=mc^2
Q=CV
MC(deltaT)
(Fn)(mu)

9. the units of power other than watts
KQ/r
joules/second
h/mv
.5mV^2 + .5KA^2

10. work energy theorum
1/2wavelength
deltaU -deltaW
BLv
net work = delta K

11. formula for impulse involving momentum
BLv
mV -m(Vo)
(I^2)R
VI

12. formula for buoyant force
constant pressure
h/wavelength
joules/second
roeVg

13. energy of a photon if wavelength is known
KI/r
h(Fo)
0
hc/wavelength

14. what direction is friction?
opposite motion
(Wnet)/(Qin)
J= Ft
(V^2)/r

15. formula for efficiency of a heat engine using work out
sqrt(3KT/m)
inelastic collision
(Wnet)/(Qin)
1/2wavelength

16. isometric
2Pi * sqrt(l/g)
constant volume
MC(deltaT)
h/mv

17. lens/mirror equation
M(Lf)
(1/Do) + (1/Di) = (1/f)
roeVg
(hc/wavelength)=h(Fo) +(Vs)

18. second kinematic
delta x = (Vo)t + .5at^2
e=mc^2
h(Fo)
K |q||Q|/r^2

19. formula for charge stored in a capciator
opposite motion
Q=CV
(I^2)RT
AV=(A2)(V2)

20. energy stored in a capacitor
perfectly inelastic collision
.5CV^2 or .5 Q^2/C or .5QV
MC(deltaT)
qE

21. formula equating energy and mass
e=mc^2
.5mV^2 + .5KA^2
pL/A
(I^2)RT

22. formula to find the absoluate pressure at the bottom of a pool
deltaU -deltaW
(Patm) + (Pgauge)
Columbs/second
k|Q|/r^2

23. magnification equation
roeVg
dSintheta=mwavelength
(Di)/(Do) or (Hi)/(Ho)
VI

24. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
e=mc^2
qV
(Wnet)/(Qin)
(Patm) + (Pgauge)

25. voltage induced in a rod moving through a uniform magnetic field
(Wnet)/(Qin)
BLv
inelastic collision
(No)(wavelength)=(Nn)(new wavelength)

26. formula for finding the momentum of a photon
VI
no force (right hand rule)
(V^2)/R
h/wavelength

27. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
pL/A
E/B
m(v^2)/qvB
(Wnet)/(Qin)

28. the electric force between two objects of charge Q
(3/2)nRdeltaT
K |q||Q|/r^2
.5KA^2
sqrt(T/(m/))

29. formula for Carnot efficiency
(N2)/(N1)
(V^2)/R
((Th) -(Tl))/(Th)
(Di)/(Do) or (Hi)/(Ho)

30. type of collision where K is not conserved
inelastic collision
nSintheta=nsintheta
VI
m(v^2)/qvB

31. formula for centripetal acceleration
inelastic collision
1/((1/C)+(1/C)..........)
E/B
(V^2)/r

32. heat during an isometric process
(Patm) + (Pgauge)
n(Cv)(deltaT)
(EMF)Rt/10
.5KA^2

33. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
KI/r
G M/((d/2)^2)
(3/2)nRdeltaT

34. formula for impluse involving time
J= Ft
qE
BA
K |q||Q|/r^2

35. formula for torque
V = (Vo) + at
deltaU -deltaW
rF
joules/second

36. formula for finding the magnetic field a distance r from a current carrying wire
.5mV^2 + .5KA^2
pL/A
(Patm) + (Pgauge)
KI/r

37. electric field in a distance r from a charge
qE
(I^2)RT
no temp change
k|Q|/r^2

38. units for voltage other than volts
1/2wavelength
qrB/m
rF
Joules/Columb

39. velocity of an electrion as it exitws from the hole
E/B
perfectly inelastic collision
qrB/m
.5CV^2 or .5 Q^2/C or .5QV

40. formula for power with current and resistance
(Di)/(Do) or (Hi)/(Ho)
1/((1/C)+(1/C)..........)
(I^2)R
qrB/m

41. natural frequency of an open tube of length L
qVB
1/2wavelength
frequency never changes for light problems
(3/2)nRdeltaT

42. formula for height of the block (at the start of a pendulum string) in terms of theta and L
h/wavelength
Columbs/second
L -LCostheta
.5CV^2 or .5 Q^2/C or .5QV

43. pressure
dSintheta=mwavelength
qV
(EMF)Rt/10
F/A

44. velocity of waves on a string if tension is known
sqrt(T/(m/))
(EMF)Rt/10
(V^2)/R
(Di)/(Do) or (Hi)/(Ho)

45. formula for constructive interference in a thin membrane with two phase changes
V+IR
((Th) -(Tl))/(Th)
2nt=mwavelength
n(Cv)(deltaT)

46. formula for power with Voltage and resistance
rF
(V^2)/R
Columbs/second
((Qin) -(Qout))/(Qin)

47. third kinematic
net work = delta K
(3/2)nRdeltaT
V^2=(Vo)^2 +2a*change in x
deltaU = deltaQ + deltaW

48. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
qrB/m
KQ/r
(Wnet)/(Qin)

49. force of frction on an incline
(1/Do) + (1/Di) = (1/f)
BA
F/A
mgCostheta(mu)d

50. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
roeVg
qrB/m
1/2wavelength
G M/((d/2)^2)