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. new frequency of light as it enters a new substance
rF
frequency never changes for light problems
2nt=mwavelength
(I^2)RT

2. force of friction
(Fn)(mu)
no heat flow
F/A
net work = delta K

3. formula for change in internal energy in a cosnstat volume PV process
(3/2)nRdeltaT
n(Cv)(deltaT)
d/2
(I^2)RT

4. formula relating voltage and electric field
(V^2)/R
Ed=V
h(Fo)
m(v^2)/qvB

5. third kinematic
V^2=(Vo)^2 +2a*change in x
(3/2)nRdeltaT
J= Ft
qrB/m

6. formula for buoyant force
G M/((d/2)^2)
h/wavelength
qE
roeVg

7. velocity of waves on a string if tension is known
sqrt(T/(m/))
1/((1/C)+(1/C)..........)
L -LCostheta
1/4wavelength

8. formula for power with Voltage and resistance
rF
AV=(A2)(V2)
qV
(V^2)/R

9. velocity of an electrion as it exitws from the hole
m(v^2)/qvB
qrB/m
(V^2)/R
1/((1/C)+(1/C)..........)

10. change in internal energy during a cyclic process
J= Ft
opposite motion
sqrt(T/(m/))
0

11. velocity of a molecule of gas
hc/wavelength
MC(deltaT)
joules/second
sqrt(3KT/m)

12. first kinematic
V = (Vo) + at
((Qin) -(Qout))/(Qin)
(3/2)nRdeltaT
Columbs/second

13. work energy theorum
L -LCostheta
G M/((d/2)^2)
net work = delta K
BLv

14. new wavelength of light as it enters a new substance
BLv
rF
sqrt(T/(m/))
(No)(wavelength)=(Nn)(new wavelength)

15. formula for impluse involving time
constant pressure
qVB
J= Ft
((Qin) -(Qout))/(Qin)

16. formula for power with current and voltage
m(v^2)/qvB
e=mc^2
qE
VI

17. isobaric
h/mv
net work = delta K
constant pressure
BA

18. the electric force between two objects of charge Q
E/B
K |q||Q|/r^2
AV=(A2)(V2)
hc/wavelength

19. focal length of a mirror with radius d
d/2
FV
.5KA^2
pL/A

20. force a charge in a Bfield
qVB
qE
constant pressure
e=mc^2

21. type of collision where objects stick togerther
perfectly inelastic collision
pL/A
F/A
FV

22. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
KI/r
((Qin) -(Qout))/(Qin)
(1/Do) + (1/Di) = (1/f)

23. the force on a charge in an electric field
qE
mV -m(Vo)
AV=(A2)(V2)
MC(deltaT)

24. electric field in a distance r from a charge
Q=CV
k|Q|/r^2
BLv
sqrt(T/(m/))

25. electric potential a distance r from a charge
qV
KQ/r
1/2wavelength
qrB/m

26. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
G M/((d/2)^2)
V = (Vo) + at
FV

27. formula for Carnot efficiency
((Th) -(Tl))/(Th)
hc/wavelength
qVB
V+IR

28. formula for finding the magnetic field a distance r from a current carrying wire
delta x = (Vo)t + .5at^2
FV
V = (Vo) + at
KI/r

29. formula for efficiency of a heat engine using work out
qV
(Wnet)/(Qin)
rF
h(Fo)

30. formula to find the gauge pressure at the bottom of a pool
constant pressure
joules/second
roegh
1/2wavelength

31. voltage induced in a rod moving through a uniform magnetic field
V = (Vo) + at
BLv
frequency never changes for light problems
BA

32. the units of power other than watts
sqrt(T/(m/))
(No)(wavelength)=(Nn)(new wavelength)
inelastic collision
joules/second

33. radius of curvature of a charged particle as it enters a uniform magnetic field
net work = delta K
m(v^2)/qvB
qV
Columbs/second

34. force of gravity between two objects of mass m
FV
pL/A
mgCostheta(mu)d
GM*M/(r^2)

35. isothermal
(1/Do) + (1/Di) = (1/f)
no temp change
Q=CV
FV

36. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
hc/wavelength
AV=(A2)(V2)
.5KA^2

37. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
M(Lf)
roeVg
sqrt(T/(m/))

38. energy stored in a capacitor
h(Fo)
.5CV^2 or .5 Q^2/C or .5QV
roeVg
deltaU -deltaW

39. heat required to melt a substance
joules/second
G M/((d/2)^2)
n(Cv)(deltaT)
M(Lf)

40. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
rF
M(Lf)
(EMF)Rt/10
m(v^2)/qvB

41. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
KI/r
E/B
deltaU -deltaW
2Pi * sqrt(l/g)

42. natural frequency of a closed tube of length L
M(Lf)
1/4wavelength
F/A
mgCostheta(mu)d

43. force of frction on an incline
(EMF)Rt/10
G M/((d/2)^2)
mgCostheta(mu)d
joules/second

44. resistance of a wire
Columbs/second
pL/A
-KA
.5KA^2

45. units for voltage other than volts
VI
roeVg
1/2wavelength
Joules/Columb

46. formula to find the absoluate pressure at the bottom of a pool
2nt=mwavelength
(Patm) + (Pgauge)
qVB
(V^2)/r

47. type of collision where K is not conserved
inelastic collision
rF
-KA
KQ/r

48. isometric
constant volume
constant pressure
.5mV^2 + .5KA^2
frequency never changes for light problems

49. type of collision where K is conserved
elastic collision
AV=(A2)(V2)
(V^2)/r
h(Fo)

50. formula equating energy and mass
(I^2)R
e=mc^2
joules/second
dSintheta=mwavelength