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. lens/mirror equation
deltaU -deltaW
h(Fo)
(1/Do) + (1/Di) = (1/f)
V = (Vo) + at

2. formula to find the absoluate pressure at the bottom of a pool
(V^2)/r
(Patm) + (Pgauge)
BLv
(Di)/(Do) or (Hi)/(Ho)

3. formula for critical angle
1/((1/C)+(1/C)..........)
n(Cv)(deltaT)
(N2)/(N1)
perfectly inelastic collision

4. the force on a charge in an electric field
.5KA^2
qE
(I^2)RT
KQ/r

5. voltage induced in a rod moving through a uniform magnetic field
h/mv
BLv
n(Cv)(deltaT)
Q=CV

6. formula for power with current and resistance
1/4wavelength
(I^2)R
k|Q|/r^2
no force (right hand rule)

7. formula for change in internal energy in a cosnstat volume PV process
hc/wavelength
(Fn)(mu)
(3/2)nRdeltaT
no force (right hand rule)

8. formula for power with Voltage and resistance
m(v^2)/qvB
sqrt(T/(m/))
perfectly inelastic collision
(V^2)/R

9. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
nSintheta=nsintheta
E/B
.5KA^2
qrB/m

10. the electric force between two objects of charge Q
FV
(1/Do) + (1/Di) = (1/f)
h/mv
K |q||Q|/r^2

11. magnification equation
d/2
(Di)/(Do) or (Hi)/(Ho)
J= Ft
Ed=V

12. heat during an isometric process
mV -m(Vo)
Q=CV
V+IR
n(Cv)(deltaT)

13. forgotten power equation
deltaU = deltaQ + deltaW
FV
MC(deltaT)
BLv

14. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
roeVg
G M/((d/2)^2)
(Patm) + (Pgauge)
Q=CV

15. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
elastic collision
frequency never changes for light problems
FV

16. formula for charge stored in a capciator
V+IR
frequency never changes for light problems
AV=(A2)(V2)
Q=CV

17. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
M(Lf)
h/wavelength
0

18. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
(V^2)/r
K |q||Q|/r^2
h/wavelength

19. the units of power other than watts
(No)(wavelength)=(Nn)(new wavelength)
0
no temp change
joules/second

20. isobaric
Columbs/second
1/((1/C)+(1/C)..........)
constant pressure
(Wnet)/(Qin)

21. velocity of an electrion as it exitws from the hole
MC(deltaT)
(V^2)/R
(I^2)RT
qrB/m

22. formula for finding the magnetic field a distance r from a current carrying wire
FV
KI/r
(Fn)(mu)
constant volume

23. formula to find the gauge pressure at the bottom of a pool
(Di)/(Do) or (Hi)/(Ho)
((Th) -(Tl))/(Th)
roegh
M(Lf)

24. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(EMF)Rt/10
.5CV^2 or .5 Q^2/C or .5QV
d/2
rF

25. formula for period of a pendulum
Joules/Columb
2Pi * sqrt(l/g)
(I^2)RT
roeVg

26. work energy theorum
d/2
BLv
net work = delta K
hc/wavelength

27. energy of a photon if wavelength is known
joules/second
(Wnet)/(Qin)
hc/wavelength
.5mV^2 + .5KA^2

28. formula relating voltage and electric field
Ed=V
MC(deltaT)
Q=CV
1/2wavelength

29. focal length of a mirror with radius d
M(Lf)
qE
d/2
elastic collision

30. formula for impulse involving momentum
(3/2)nRdeltaT
mV -m(Vo)
constant pressure
E/B

31. hooke's law force of a spring
-KA
(hc/wavelength)=h(Fo) +(Vs)
KI/r
2nt=mwavelength

32. type of collision where K is conserved
Q=CV
elastic collision
m(v^2)/qvB
qrB/m

33. formula for height of the block (at the start of a pendulum string) in terms of theta and L
Columbs/second
(Wnet)/(Qin)
L -LCostheta
(hc/wavelength)=h(Fo) +(Vs)

34. pressure
pL/A
Columbs/second
rF
F/A

35. formula for centripetal acceleration
(V^2)/r
constant pressure
no heat flow
m(v^2)/qvB

36. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
KI/r
MC(deltaT)
(3/2)nRdeltaT

37. the units of current other than amps
BA
inelastic collision
Joules/Columb
Columbs/second

38. isometric
E/B
qE
perfectly inelastic collision
constant volume

39. formula for power with current and voltage
VI
perfectly inelastic collision
Ed=V
deltaU -deltaW

40. third kinematic
E/B
opposite motion
no force (right hand rule)
V^2=(Vo)^2 +2a*change in x

41. heat during a cyclic process (net heat)
perfectly inelastic collision
deltaU -deltaW
nSintheta=nsintheta
V^2=(Vo)^2 +2a*change in x

42. heat required to melt a substance
1/2wavelength
BA
M(Lf)
no heat flow

43. force of gravity between two objects of mass m
GM*M/(r^2)
e=mc^2
VI
qV

44. formula for Carnot efficiency
(I^2)RT
((Th) -(Tl))/(Th)
qV
Columbs/second

45. type of collision where objects stick togerther
h/wavelength
frequency never changes for light problems
1/2wavelength
perfectly inelastic collision

46. formula for torque
Ed=V
rF
delta x = (Vo)t + .5at^2
e=mc^2

47. total capacitance of capacitors in series
e=mc^2
1/4wavelength
1/((1/C)+(1/C)..........)
(V^2)/R

48. resistance of a wire
joules/second
h/mv
pL/A
Ed=V

49. change in internal energy during a cyclic process
KQ/r
(hc/wavelength)=h(Fo) +(Vs)
0
k|Q|/r^2

50. velocity of waves on a string if tension is known
pL/A
sqrt(T/(m/))
deltaU -deltaW
Q=CV