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. magnification equation
(Di)/(Do) or (Hi)/(Ho)
mV -m(Vo)
KQ/r
deltaU = deltaQ + deltaW

2. heat during an isometric process
FV
dSintheta=mwavelength
opposite motion
n(Cv)(deltaT)

3. new wavelength of light as it enters a new substance
V+IR
(EMF)Rt/10
(No)(wavelength)=(Nn)(new wavelength)
dSintheta=mwavelength

4. third kinematic
no temp change
sqrt(T/(m/))
rF
V^2=(Vo)^2 +2a*change in x

5. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
roeVg
(EMF)Rt/10
((Th) -(Tl))/(Th)
0

6. formula for energy of a spring mass when spring is at maximum displacement
K |q||Q|/r^2
J= Ft
.5KA^2
(No)(wavelength)=(Nn)(new wavelength)

7. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
deltaU -deltaW
(hc/wavelength)=h(Fo) +(Vs)
BLv
roegh

8. formula for impulse involving momentum
Q=CV
2Pi * sqrt(l/g)
mV -m(Vo)
pL/A

9. lens/mirror equation
m(v^2)/qvB
(Fn)(mu)
(1/Do) + (1/Di) = (1/f)
L -LCostheta

10. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
V^2=(Vo)^2 +2a*change in x
h/mv
.5mV^2 + .5KA^2
dSintheta=mwavelength

11. formula for finding magnetic flux
mV -m(Vo)
qVB
BA
KQ/r

12. formula for finding the work function of a metal if the cutoff frequency is known
M(Lf)
constant pressure
.5mV^2 + .5KA^2
h(Fo)

13. formula for torque
rF
K |q||Q|/r^2
delta x = (Vo)t + .5at^2
-KA

14. natural frequency of an open tube of length L
k|Q|/r^2
((Qin) -(Qout))/(Qin)
(Patm) + (Pgauge)
1/2wavelength

15. formula for constructive interference in a diffraction grating
dSintheta=mwavelength
(I^2)R
(3/2)nRdeltaT
joules/second

16. resistance of a wire
BLv
1/2wavelength
delta x = (Vo)t + .5at^2
pL/A

17. total capacitance of capacitors in series
nSintheta=nsintheta
(I^2)R
1/4wavelength
1/((1/C)+(1/C)..........)

18. formula for charge stored in a capciator
e=mc^2
Q=CV
(V^2)/r
mV -m(Vo)

19. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
BA
no heat flow
(I^2)RT
constant pressure

20. formula for efficiency of a heat engine using work out
K |q||Q|/r^2
.5KA^2
(Wnet)/(Qin)
rF

21. formula for power with Voltage and resistance
mgCostheta(mu)d
(V^2)/R
(3/2)nRdeltaT
delta x = (Vo)t + .5at^2

22. energy stored in a capacitor
L -LCostheta
(N2)/(N1)
.5CV^2 or .5 Q^2/C or .5QV
G M/((d/2)^2)

23. formula for finding the momentum of a photon
roeVg
h/wavelength
no force (right hand rule)
Columbs/second

24. formula for centripetal acceleration
(Di)/(Do) or (Hi)/(Ho)
MC(deltaT)
mgCostheta(mu)d
(V^2)/r

25. what direction is friction?
opposite motion
(3/2)nRdeltaT
L -LCostheta
elastic collision

26. change in internal energy during a cyclic process
sqrt(3KT/m)
0
VI
(I^2)RT

27. heat during a cyclic process (net heat)
(hc/wavelength)=h(Fo) +(Vs)
qE
1/2wavelength
deltaU -deltaW

28. heat required to change temperature of a substance
KI/r
MC(deltaT)
(3/2)nRdeltaT
constant volume

29. formula for efficiency not using work out
M(Lf)
(Patm) + (Pgauge)
((Qin) -(Qout))/(Qin)
(N2)/(N1)

30. pressure
F/A
1/((1/C)+(1/C)..........)
net work = delta K
Q=CV

31. force a charge in a Bfield
(hc/wavelength)=h(Fo) +(Vs)
qVB
pL/A
2nt=mwavelength

32. formula for change in internal energy in a cosnstat volume PV process
qE
KI/r
(I^2)RT
(3/2)nRdeltaT

33. the units of power other than watts
joules/second
qV
2Pi * sqrt(l/g)
roegh

34. work energy theorum
net work = delta K
mV -m(Vo)
.5CV^2 or .5 Q^2/C or .5QV
KI/r

35. isobaric
nSintheta=nsintheta
constant pressure
qV
qrB/m

36. adibatic
2nt=mwavelength
no heat flow
(No)(wavelength)=(Nn)(new wavelength)
M(Lf)

37. formula for finding the magnetic field a distance r from a current carrying wire
dSintheta=mwavelength
KI/r
roegh
(Di)/(Do) or (Hi)/(Ho)

38. formula for period of a pendulum
perfectly inelastic collision
((Qin) -(Qout))/(Qin)
2Pi * sqrt(l/g)
.5mV^2 + .5KA^2

39. first kinematic
.5CV^2 or .5 Q^2/C or .5QV
V = (Vo) + at
Joules/Columb
h/wavelength

40. force of frction on an incline
net work = delta K
no temp change
mgCostheta(mu)d
(Patm) + (Pgauge)

41. hooke's law force of a spring
h/wavelength
constant volume
perfectly inelastic collision
-KA

42. formula equating energy and mass
e=mc^2
h/wavelength
E/B
no force (right hand rule)

43. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
roeVg
1/((1/C)+(1/C)..........)
1/2wavelength

44. type of collision where objects stick togerther
perfectly inelastic collision
no heat flow
-KA
roeVg

45. isometric
constant volume
d/2
qVB
rF

46. energy of a photon if wavelength is known
mV -m(Vo)
hc/wavelength
n(Cv)(deltaT)
m(v^2)/qvB

47. the force on a charge in an electric field
(Fn)(mu)
((Qin) -(Qout))/(Qin)
qE
qVB

48. formula for power with current and voltage
0
1/4wavelength
J= Ft
VI

49. electric field in a distance r from a charge
constant pressure
e=mc^2
((Th) -(Tl))/(Th)
k|Q|/r^2

50. formula for height of the block (at the start of a pendulum string) in terms of theta and L
AV=(A2)(V2)
L -LCostheta
(1/Do) + (1/Di) = (1/f)
deltaU -deltaW