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. type of collision where K is not conserved
constant volume
V = (Vo) + at
perfectly inelastic collision
inelastic collision

2. formula relating voltage and electric field
Ed=V
sqrt(T/(m/))
no heat flow
KQ/r

3. formula for the wavelength (debroglie wavelength) of a moving particle
((Th) -(Tl))/(Th)
h/mv
mV -m(Vo)
AV=(A2)(V2)

4. formula for efficiency not using work out
h/mv
GM*M/(r^2)
((Qin) -(Qout))/(Qin)
.5mV^2 + .5KA^2

5. formula for torque
roegh
h/wavelength
Q=CV
rF

6. formula for charge stored in a capciator
-KA
Q=CV
h(Fo)
1/4wavelength

7. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
Q=CV
1/2wavelength
(hc/wavelength)=h(Fo) +(Vs)
sqrt(T/(m/))

8. focal length of a mirror with radius d
(Di)/(Do) or (Hi)/(Ho)
d/2
2nt=mwavelength
K |q||Q|/r^2

9. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
F/A
d/2
Joules/Columb
qV

10. formula for finding magnetic flux
VI
BLv
E/B
BA

11. heat during a cyclic process (net heat)
(No)(wavelength)=(Nn)(new wavelength)
deltaU -deltaW
MC(deltaT)
KI/r

12. radius of curvature of a charged particle as it enters a uniform magnetic field
.5KA^2
m(v^2)/qvB
qE
(V^2)/r

13. hooke's law force of a spring
-KA
(Patm) + (Pgauge)
(Wnet)/(Qin)
d/2

14. the force on a charge in an electric field
M(Lf)
roeVg
qE
delta x = (Vo)t + .5at^2

15. formula to find the absoluate pressure at the bottom of a pool
2nt=mwavelength
(Patm) + (Pgauge)
2Pi * sqrt(l/g)
mV -m(Vo)

16. formula for constructive interference in a diffraction grating
joules/second
Joules/Columb
dSintheta=mwavelength
FV

17. formula for buoyant force
qV
mV -m(Vo)
BA
roeVg

18. pressure
F/A
(Fn)(mu)
.5mV^2 + .5KA^2
2nt=mwavelength

19. third kinematic
roegh
Columbs/second
V^2=(Vo)^2 +2a*change in x
M(Lf)

20. EMF of a battery having internal resistance R
V+IR
Q=CV
constant pressure
pL/A

21. voltage induced in a rod moving through a uniform magnetic field
Ed=V
.5mV^2 + .5KA^2
(V^2)/r
BLv

22. adibatic
qV
rF
2nt=mwavelength
no heat flow

23. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
Q=CV
(hc/wavelength)=h(Fo) +(Vs)
elastic collision

24. units for voltage other than volts
(Wnet)/(Qin)
deltaU -deltaW
((Qin) -(Qout))/(Qin)
Joules/Columb

25. magnification equation
V^2=(Vo)^2 +2a*change in x
roegh
(Di)/(Do) or (Hi)/(Ho)
J= Ft

26. type of collision where objects stick togerther
F/A
(1/Do) + (1/Di) = (1/f)
n(Cv)(deltaT)
perfectly inelastic collision

27. lens/mirror equation
K |q||Q|/r^2
(I^2)R
(1/Do) + (1/Di) = (1/f)
no temp change

28. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
(No)(wavelength)=(Nn)(new wavelength)
h/wavelength
mV -m(Vo)

29. heat required to change temperature of a substance
MC(deltaT)
elastic collision
K |q||Q|/r^2
(V^2)/R

30. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
((Qin) -(Qout))/(Qin)
qV
1/((1/C)+(1/C)..........)

31. formula for power with current and voltage
VI
roeVg
Joules/Columb
net work = delta K

32. heat required to melt a substance
(V^2)/R
qV
deltaU = deltaQ + deltaW
M(Lf)

33. what direction is friction?
rF
opposite motion
deltaU -deltaW
(No)(wavelength)=(Nn)(new wavelength)

34. the units of power other than watts
(N2)/(N1)
d/2
frequency never changes for light problems
joules/second

35. new frequency of light as it enters a new substance
qVB
k|Q|/r^2
deltaU = deltaQ + deltaW
frequency never changes for light problems

36. isothermal
(Fn)(mu)
frequency never changes for light problems
Columbs/second
no temp change

37. formula for critical angle
qV
h/wavelength
(N2)/(N1)
V^2=(Vo)^2 +2a*change in x

38. second kinematic
delta x = (Vo)t + .5at^2
Ed=V
((Qin) -(Qout))/(Qin)
1/4wavelength

39. change in internal energy during a cyclic process
h(Fo)
0
(3/2)nRdeltaT
d/2

40. formula for centripetal acceleration
(V^2)/r
mgCostheta(mu)d
GM*M/(r^2)
dSintheta=mwavelength

41. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
(V^2)/r
(V^2)/R
(EMF)Rt/10
h/mv

42. natural frequency of an open tube of length L
1/2wavelength
qV
sqrt(T/(m/))
(hc/wavelength)=h(Fo) +(Vs)

43. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
qV
1/4wavelength
G M/((d/2)^2)
0

44. formula for Carnot efficiency
qV
no temp change
((Th) -(Tl))/(Th)
dSintheta=mwavelength

45. first kinematic
V^2=(Vo)^2 +2a*change in x
2Pi * sqrt(l/g)
constant volume
V = (Vo) + at

46. equation for the first law of thermodynamics
deltaU = deltaQ + deltaW
MC(deltaT)
h/wavelength
net work = delta K

47. formula equating energy and mass
mV -m(Vo)
pL/A
((Qin) -(Qout))/(Qin)
e=mc^2

48. new wavelength of light as it enters a new substance
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
(V^2)/r
h/mv

49. formula for change in internal energy in a cosnstat volume PV process
qVB
V^2=(Vo)^2 +2a*change in x
G M/((d/2)^2)
(3/2)nRdeltaT

50. resistance of a wire
qV
(No)(wavelength)=(Nn)(new wavelength)
.5CV^2 or .5 Q^2/C or .5QV
pL/A