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
(V^2)/R
h/wavelength
0
frequency never changes for light problems

2. isometric
E/B
FV
constant volume
(V^2)/R

3. the units of current other than amps
BLv
(Di)/(Do) or (Hi)/(Ho)
1/((1/C)+(1/C)..........)
Columbs/second

4. isothermal
h(Fo)
GM*M/(r^2)
AV=(A2)(V2)
no temp change

5. energy stored in a capacitor
.5KA^2
(Wnet)/(Qin)
.5CV^2 or .5 Q^2/C or .5QV
rF

6. voltage induced in a rod moving through a uniform magnetic field
.5CV^2 or .5 Q^2/C or .5QV
hc/wavelength
BLv
n(Cv)(deltaT)

7. isobaric
KQ/r
(N2)/(N1)
.5KA^2
constant pressure

8. formula for Carnot efficiency
((Th) -(Tl))/(Th)
sqrt(T/(m/))
.5mV^2 + .5KA^2
(hc/wavelength)=h(Fo) +(Vs)

9. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
J= Ft
(I^2)R
2Pi * sqrt(l/g)

10. heat during an isometric process
.5CV^2 or .5 Q^2/C or .5QV
n(Cv)(deltaT)
((Qin) -(Qout))/(Qin)
F/A

11. first kinematic
m(v^2)/qvB
V = (Vo) + at
deltaU = deltaQ + deltaW
F/A

12. formula for the wavelength (debroglie wavelength) of a moving particle
Columbs/second
2nt=mwavelength
qrB/m
h/mv

13. focal length of a mirror with radius d
delta x = (Vo)t + .5at^2
d/2
n(Cv)(deltaT)
joules/second

14. work energy theorum
net work = delta K
Columbs/second
Ed=V
(I^2)RT

15. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
1/2wavelength
L -LCostheta
(I^2)RT
(3/2)nRdeltaT

16. change in internal energy during a cyclic process
KI/r
(V^2)/R
MC(deltaT)
0

17. resistance of a wire
Joules/Columb
(V^2)/r
pL/A
nSintheta=nsintheta

18. formula to find the absoluate pressure at the bottom of a pool
deltaU = deltaQ + deltaW
(V^2)/R
sqrt(T/(m/))
(Patm) + (Pgauge)

19. formula for charge stored in a capciator
(3/2)nRdeltaT
Ed=V
L -LCostheta
Q=CV

20. force a charge in a Bfield
qV
F/A
h/wavelength
qVB

21. hooke's law force of a spring
qrB/m
e=mc^2
-KA
rF

22. natural frequency of a closed tube of length L
1/4wavelength
1/((1/C)+(1/C)..........)
(Wnet)/(Qin)
G M/((d/2)^2)

23. formula for change in internal energy in a cosnstat volume PV process
inelastic collision
net work = delta K
no force (right hand rule)
(3/2)nRdeltaT

24. equation of continuity
FV
perfectly inelastic collision
AV=(A2)(V2)
h(Fo)

25. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
BA
1/((1/C)+(1/C)..........)
(hc/wavelength)=h(Fo) +(Vs)

26. the force on a charge in an electric field
qV
joules/second
qE
GM*M/(r^2)

27. velocity of waves on a string if tension is known
h/mv
constant volume
sqrt(T/(m/))
KQ/r

28. formula for period of a pendulum
VI
MC(deltaT)
2Pi * sqrt(l/g)
V+IR

29. heat required to melt a substance
(Di)/(Do) or (Hi)/(Ho)
h(Fo)
M(Lf)
(I^2)RT

30. formula for power with current and resistance
Q=CV
0
(EMF)Rt/10
(I^2)R

31. formula relating voltage and electric field
Ed=V
KI/r
Q=CV
(No)(wavelength)=(Nn)(new wavelength)

32. formula for torque
(N2)/(N1)
rF
J= Ft
(I^2)R

33. forgotten power equation
GM*M/(r^2)
-KA
FV
(Patm) + (Pgauge)

34. lens/mirror equation
(1/Do) + (1/Di) = (1/f)
(V^2)/R
frequency never changes for light problems
G M/((d/2)^2)

35. formula for centripetal acceleration
(N2)/(N1)
Columbs/second
(V^2)/r
(hc/wavelength)=h(Fo) +(Vs)

36. formula for critical angle
(N2)/(N1)
(I^2)R
elastic collision
dSintheta=mwavelength

37. formula for energy of a spring mass when spring is at maximum displacement
MC(deltaT)
perfectly inelastic collision
no temp change
.5KA^2

38. formula for finding the work function of a metal if the cutoff frequency is known
KI/r
h(Fo)
M(Lf)
(V^2)/r

39. velocity of a molecule of gas
((Qin) -(Qout))/(Qin)
1/((1/C)+(1/C)..........)
sqrt(3KT/m)
elastic collision

40. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
delta x = (Vo)t + .5at^2
J= Ft
opposite motion
G M/((d/2)^2)

41. equation for the first law of thermodynamics
no temp change
(hc/wavelength)=h(Fo) +(Vs)
deltaU = deltaQ + deltaW
dSintheta=mwavelength

42. formula equating energy and mass
qrB/m
(Patm) + (Pgauge)
e=mc^2
sqrt(3KT/m)

43. formula for impluse involving time
n(Cv)(deltaT)
0
J= Ft
pL/A

44. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
inelastic collision
K |q||Q|/r^2
2Pi * sqrt(l/g)

45. units for voltage other than volts
KI/r
Joules/Columb
h(Fo)
elastic collision

46. formula for finding magnetic flux
h(Fo)
2nt=mwavelength
(No)(wavelength)=(Nn)(new wavelength)
BA

47. magnification equation
opposite motion
BLv
qE
(Di)/(Do) or (Hi)/(Ho)

48. type of collision where objects stick togerther
qrB/m
perfectly inelastic collision
pL/A
sqrt(3KT/m)

49. formula for impulse involving momentum
(3/2)nRdeltaT
mV -m(Vo)
h/wavelength
(Fn)(mu)

50. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
(hc/wavelength)=h(Fo) +(Vs)
2nt=mwavelength
h/wavelength
qV