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. EMF of a battery having internal resistance R
2nt=mwavelength
V+IR
(Patm) + (Pgauge)
opposite motion

2. change in internal energy during a cyclic process
V+IR
F/A
0
(3/2)nRdeltaT

3. work energy theorum
(3/2)nRdeltaT
net work = delta K
inelastic collision
BLv

4. adibatic
1/4wavelength
no heat flow
MC(deltaT)
mV -m(Vo)

5. electric field in a distance r from a charge
k|Q|/r^2
AV=(A2)(V2)
VI
2Pi * sqrt(l/g)

6. energy of a photon if wavelength is known
hc/wavelength
mV -m(Vo)
roeVg
constant pressure

7. the units of current other than amps
hc/wavelength
e=mc^2
mV -m(Vo)
Columbs/second

8. formula to find the absoluate pressure at the bottom of a pool
frequency never changes for light problems
net work = delta K
(Patm) + (Pgauge)
E/B

9. type of collision where objects stick togerther
roegh
FV
1/((1/C)+(1/C)..........)
perfectly inelastic collision

10. formula for finding magnetic flux
.5mV^2 + .5KA^2
h/mv
delta x = (Vo)t + .5at^2
BA

11. second kinematic
h/mv
1/((1/C)+(1/C)..........)
delta x = (Vo)t + .5at^2
V^2=(Vo)^2 +2a*change in x

12. formula for period of a pendulum
2Pi * sqrt(l/g)
perfectly inelastic collision
K |q||Q|/r^2
1/((1/C)+(1/C)..........)

13. lens/mirror equation
(1/Do) + (1/Di) = (1/f)
(No)(wavelength)=(Nn)(new wavelength)
(hc/wavelength)=h(Fo) +(Vs)
(N2)/(N1)

14. formula for Carnot efficiency
roegh
VI
((Th) -(Tl))/(Th)
KQ/r

15. formula for constructive interference in a diffraction grating
(N2)/(N1)
qE
dSintheta=mwavelength
inelastic collision

16. formula for buoyant force
roeVg
mV -m(Vo)
1/4wavelength
dSintheta=mwavelength

17. formula for the wavelength (debroglie wavelength) of a moving particle
KQ/r
qE
h/mv
1/4wavelength

18. the force on a charge in an electric field
net work = delta K
qE
GM*M/(r^2)
sqrt(T/(m/))

19. equation of continuity
M(Lf)
perfectly inelastic collision
KI/r
AV=(A2)(V2)

20. 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
(I^2)R
perfectly inelastic collision
J= Ft

21. units for voltage other than volts
Q=CV
(hc/wavelength)=h(Fo) +(Vs)
KI/r
Joules/Columb

22. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
(N2)/(N1)
(hc/wavelength)=h(Fo) +(Vs)
Ed=V
hc/wavelength

23. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
mgCostheta(mu)d
no force (right hand rule)
VI

24. equation for the first law of thermodynamics
MC(deltaT)
deltaU = deltaQ + deltaW
dSintheta=mwavelength
roegh

25. new frequency of light as it enters a new substance
n(Cv)(deltaT)
(EMF)Rt/10
(Di)/(Do) or (Hi)/(Ho)
frequency never changes for light problems

26. type of collision where K is conserved
mgCostheta(mu)d
qV
elastic collision
(Wnet)/(Qin)

27. formula for energy of a spring mass when spring is at maximum displacement
(I^2)R
pL/A
.5KA^2
F/A

28. the units of power other than watts
joules/second
(Patm) + (Pgauge)
(hc/wavelength)=h(Fo) +(Vs)
1/((1/C)+(1/C)..........)

29. hooke's law force of a spring
pL/A
((Th) -(Tl))/(Th)
delta x = (Vo)t + .5at^2
-KA

30. formula for power with Voltage and resistance
d/2
((Qin) -(Qout))/(Qin)
(V^2)/R
GM*M/(r^2)

31. force a charge in a Bfield
L -LCostheta
hc/wavelength
qVB
deltaU = deltaQ + deltaW

32. formula for critical angle
AV=(A2)(V2)
(N2)/(N1)
dSintheta=mwavelength
1/2wavelength

33. natural frequency of an open tube of length L
(N2)/(N1)
1/2wavelength
frequency never changes for light problems
k|Q|/r^2

34. formula for efficiency not using work out
G M/((d/2)^2)
no temp change
(Patm) + (Pgauge)
((Qin) -(Qout))/(Qin)

35. radius of curvature of a charged particle as it enters a uniform magnetic field
m(v^2)/qvB
(V^2)/r
sqrt(3KT/m)
(N2)/(N1)

36. isometric
(1/Do) + (1/Di) = (1/f)
(I^2)RT
constant volume
V = (Vo) + at

37. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
E/B
sqrt(3KT/m)
0
(1/Do) + (1/Di) = (1/f)

38. natural frequency of a closed tube of length L
BA
Q=CV
constant pressure
1/4wavelength

39. formula to find the gauge pressure at the bottom of a pool
roegh
no force (right hand rule)
pL/A
AV=(A2)(V2)

40. formula for finding the momentum of a photon
perfectly inelastic collision
KI/r
KQ/r
h/wavelength

41. formula for impulse involving momentum
roegh
(Wnet)/(Qin)
mV -m(Vo)
2nt=mwavelength

42. formula for height of the block (at the start of a pendulum string) in terms of theta and L
1/((1/C)+(1/C)..........)
L -LCostheta
h/wavelength
K |q||Q|/r^2

43. electric potential a distance r from a charge
(Fn)(mu)
(EMF)Rt/10
.5mV^2 + .5KA^2
KQ/r

44. what direction is friction?
0
opposite motion
roeVg
qVB

45. formula for power with current and voltage
VI
sqrt(3KT/m)
L -LCostheta
k|Q|/r^2

46. formula for finding the magnetic field a distance r from a current carrying wire
nSintheta=nsintheta
deltaU = deltaQ + deltaW
KI/r
deltaU -deltaW

47. formula for charge stored in a capciator
Columbs/second
Q=CV
net work = delta K
perfectly inelastic collision

48. new wavelength of light as it enters a new substance
qV
no force (right hand rule)
G M/((d/2)^2)
(No)(wavelength)=(Nn)(new wavelength)

49. formula relating voltage and electric field
Joules/Columb
E/B
Ed=V
qE

50. formula for centripetal acceleration
(V^2)/r
delta x = (Vo)t + .5at^2
2Pi * sqrt(l/g)
F/A