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 of gravity between two objects of mass m
E/B
GM*M/(r^2)
h/mv
(Di)/(Do) or (Hi)/(Ho)

2. the force on a charge in an electric field
VI
2Pi * sqrt(l/g)
no heat flow
qE

3. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
Q=CV
V^2=(Vo)^2 +2a*change in x
E/B

4. second kinematic
AV=(A2)(V2)
M(Lf)
(Wnet)/(Qin)
delta x = (Vo)t + .5at^2

5. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
J= Ft
h/wavelength
(Patm) + (Pgauge)

6. energy stored in a capacitor
BLv
.5KA^2
GM*M/(r^2)
.5CV^2 or .5 Q^2/C or .5QV

7. isobaric
constant pressure
no force (right hand rule)
e=mc^2
h/wavelength

8. EMF of a battery having internal resistance R
V+IR
BLv
VI
(Wnet)/(Qin)

9. equation for the first law of thermodynamics
nSintheta=nsintheta
deltaU = deltaQ + deltaW
1/4wavelength
qE

10. heat during a cyclic process (net heat)
GM*M/(r^2)
dSintheta=mwavelength
deltaU -deltaW
((Qin) -(Qout))/(Qin)

11. force of frction on an incline
n(Cv)(deltaT)
dSintheta=mwavelength
mgCostheta(mu)d
(EMF)Rt/10

12. formula for power with current and resistance
(I^2)R
sqrt(T/(m/))
-KA
KQ/r

13. voltage induced in a rod moving through a uniform magnetic field
.5KA^2
BLv
h/mv
constant pressure

14. adibatic
opposite motion
e=mc^2
no heat flow
AV=(A2)(V2)

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

16. formula for finding the magnetic field a distance r from a current carrying wire
inelastic collision
(V^2)/r
KI/r
h/mv

17. what direction is friction?
qrB/m
((Th) -(Tl))/(Th)
(Wnet)/(Qin)
opposite motion

18. formula for impluse involving time
pL/A
J= Ft
Ed=V
constant pressure

19. formula for efficiency of a heat engine using work out
KI/r
(Wnet)/(Qin)
(V^2)/r
net work = delta K

20. the units of current other than amps
KQ/r
(N2)/(N1)
h(Fo)
Columbs/second

21. formula for height of the block (at the start of a pendulum string) in terms of theta and L
J= Ft
L -LCostheta
.5KA^2
KQ/r

22. formula for torque
constant volume
(Wnet)/(Qin)
rF
(V^2)/R

23. new frequency of light as it enters a new substance
no force (right hand rule)
perfectly inelastic collision
frequency never changes for light problems
1/2wavelength

24. formula for power with Voltage and resistance
roegh
(V^2)/R
KQ/r
sqrt(3KT/m)

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

26. lens/mirror equation
GM*M/(r^2)
dSintheta=mwavelength
(N2)/(N1)
(1/Do) + (1/Di) = (1/f)

27. the units of power other than watts
(Fn)(mu)
roegh
joules/second
V = (Vo) + at

28. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
.5CV^2 or .5 Q^2/C or .5QV
-KA
(N2)/(N1)

29. formula for power with current and voltage
VI
M(Lf)
AV=(A2)(V2)
dSintheta=mwavelength

30. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
1/4wavelength
AV=(A2)(V2)
E/B

31. snells law
(I^2)RT
nSintheta=nsintheta
(hc/wavelength)=h(Fo) +(Vs)
KI/r

32. formula for impulse involving momentum
mgCostheta(mu)d
m(v^2)/qvB
mV -m(Vo)
(N2)/(N1)

33. energy of a photon if wavelength is known
Joules/Columb
sqrt(3KT/m)
hc/wavelength
MC(deltaT)

34. third kinematic
1/2wavelength
V^2=(Vo)^2 +2a*change in x
inelastic collision
MC(deltaT)

35. equation of continuity
frequency never changes for light problems
k|Q|/r^2
AV=(A2)(V2)
Q=CV

36. formula for finding magnetic flux
frequency never changes for light problems
KI/r
BA
deltaU = deltaQ + deltaW

37. formula for energy of a spring mass when spring is at maximum displacement
2Pi * sqrt(l/g)
.5KA^2
((Qin) -(Qout))/(Qin)
constant pressure

38. forgotten power equation
h/mv
qE
FV
(Fn)(mu)

39. resistance of a wire
m(v^2)/qvB
roegh
Ed=V
pL/A

40. formula to find the gauge pressure at the bottom of a pool
2nt=mwavelength
pL/A
roegh
BA

41. isometric
constant volume
k|Q|/r^2
L -LCostheta
.5mV^2 + .5KA^2

42. formula for centripetal acceleration
(1/Do) + (1/Di) = (1/f)
inelastic collision
m(v^2)/qvB
(V^2)/r

43. work energy theorum
net work = delta K
((Th) -(Tl))/(Th)
BA
V^2=(Vo)^2 +2a*change in x

44. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
1/4wavelength
Joules/Columb
e=mc^2
G M/((d/2)^2)

45. natural frequency of an open tube of length L
(Wnet)/(Qin)
KI/r
h/wavelength
1/2wavelength

46. magnification equation
((Th) -(Tl))/(Th)
(Di)/(Do) or (Hi)/(Ho)
h/mv
h/wavelength

47. formula relating voltage and electric field
qE
Ed=V
(N2)/(N1)
-KA

48. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
h/wavelength
(No)(wavelength)=(Nn)(new wavelength)
qE
(I^2)RT

49. formula for Carnot efficiency
((Th) -(Tl))/(Th)
E/B
pL/A
V = (Vo) + at

50. force of friction
(Fn)(mu)
(Di)/(Do) or (Hi)/(Ho)
roegh
E/B