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Test your basic knowledge |
AP Physics Formulas
Start Test
Study First
Subjects
:
science
,
ap
,
physics
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. formula relating voltage and electric field
(Di)/(Do) or (Hi)/(Ho)
h/mv
sqrt(3KT/m)
Ed=V
2. type of collision where objects stick togerther
perfectly inelastic collision
Joules/Columb
Ed=V
opposite motion
3. new frequency of light as it enters a new substance
1/2wavelength
L -LCostheta
frequency never changes for light problems
pL/A
4. natural frequency of an open tube of length L
no force (right hand rule)
qV
1/2wavelength
net work = delta K
5. the electric force between two objects of charge Q
n(Cv)(deltaT)
hc/wavelength
K |q||Q|/r^2
1/2wavelength
6. formula for power with Voltage and resistance
VI
(Fn)(mu)
(V^2)/R
Columbs/second
7. formula for change in internal energy in a cosnstat volume PV process
nSintheta=nsintheta
(1/Do) + (1/Di) = (1/f)
VI
(3/2)nRdeltaT
8. units for voltage other than volts
Joules/Columb
(N2)/(N1)
qVB
(V^2)/R
9. formula for power with current and resistance
(V^2)/r
Q=CV
inelastic collision
(I^2)R
10. formula for period of a pendulum
2Pi * sqrt(l/g)
nSintheta=nsintheta
V = (Vo) + at
no heat flow
11. new wavelength of light as it enters a new substance
E/B
constant pressure
(No)(wavelength)=(Nn)(new wavelength)
(Fn)(mu)
12. type of collision where K is conserved
(Wnet)/(Qin)
no force (right hand rule)
(N2)/(N1)
elastic collision
13. formula for efficiency not using work out
k|Q|/r^2
n(Cv)(deltaT)
((Qin) -(Qout))/(Qin)
qE
14. magnification equation
qVB
no temp change
(Di)/(Do) or (Hi)/(Ho)
h/wavelength
15. third kinematic
(V^2)/r
BLv
deltaU -deltaW
V^2=(Vo)^2 +2a*change in x
16. formula to find the absoluate pressure at the bottom of a pool
KQ/r
(V^2)/R
roeVg
(Patm) + (Pgauge)
17. velocity of waves on a string if tension is known
sqrt(T/(m/))
KI/r
Ed=V
(I^2)R
18. formula for centripetal acceleration
(V^2)/r
.5CV^2 or .5 Q^2/C or .5QV
(I^2)R
no temp change
19. formula for finding magnetic flux
BA
(Fn)(mu)
(N2)/(N1)
(No)(wavelength)=(Nn)(new wavelength)
20. formula for finding the momentum of a photon
no temp change
(EMF)Rt/10
h/wavelength
VI
21. natural frequency of a closed tube of length L
constant pressure
1/4wavelength
joules/second
Columbs/second
22. formula for torque
(I^2)RT
rF
deltaU = deltaQ + deltaW
qE
23. EMF of a battery having internal resistance R
E/B
mV -m(Vo)
mgCostheta(mu)d
V+IR
24. isothermal
J= Ft
1/4wavelength
constant pressure
no temp change
25. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
dSintheta=mwavelength
n(Cv)(deltaT)
1/((1/C)+(1/C)..........)
26. isometric
nSintheta=nsintheta
KQ/r
constant volume
Ed=V
27. electric field in a distance r from a charge
k|Q|/r^2
(Patm) + (Pgauge)
K |q||Q|/r^2
VI
28. hooke's law force of a spring
-KA
constant pressure
elastic collision
.5CV^2 or .5 Q^2/C or .5QV
29. velocity of an electrion as it exitws from the hole
2nt=mwavelength
qrB/m
rF
(Patm) + (Pgauge)
30. the force on a charge in an electric field
(Wnet)/(Qin)
n(Cv)(deltaT)
qE
h(Fo)
31. what direction is friction?
(N2)/(N1)
opposite motion
(I^2)R
Ed=V
32. forgotten power equation
constant volume
mV -m(Vo)
FV
qE
33. focal length of a mirror with radius d
.5KA^2
F/A
qE
d/2
34. voltage induced in a rod moving through a uniform magnetic field
BLv
0
rF
MC(deltaT)
35. heat during a cyclic process (net heat)
deltaU -deltaW
(Di)/(Do) or (Hi)/(Ho)
V+IR
Q=CV
36. adibatic
(Wnet)/(Qin)
M(Lf)
no heat flow
(1/Do) + (1/Di) = (1/f)
37. lens/mirror equation
(V^2)/R
Q=CV
constant volume
(1/Do) + (1/Di) = (1/f)
38. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
K |q||Q|/r^2
h(Fo)
n(Cv)(deltaT)
.5mV^2 + .5KA^2
39. force of friction
nSintheta=nsintheta
(Fn)(mu)
F/A
perfectly inelastic collision
40. formula for Carnot efficiency
G M/((d/2)^2)
constant volume
((Th) -(Tl))/(Th)
deltaU = deltaQ + deltaW
41. formula for the wavelength (debroglie wavelength) of a moving particle
h/mv
1/((1/C)+(1/C)..........)
sqrt(T/(m/))
e=mc^2
42. work energy theorum
(No)(wavelength)=(Nn)(new wavelength)
k|Q|/r^2
(I^2)RT
net work = delta K
43. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
deltaU -deltaW
pL/A
delta x = (Vo)t + .5at^2
44. second kinematic
delta x = (Vo)t + .5at^2
G M/((d/2)^2)
((Th) -(Tl))/(Th)
1/4wavelength
45. change in internal energy during a cyclic process
constant pressure
deltaU = deltaQ + deltaW
mV -m(Vo)
0
46. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
KQ/r
qV
V = (Vo) + at
(I^2)RT
47. formula for energy of a spring mass when spring is at maximum displacement
((Th) -(Tl))/(Th)
.5KA^2
mgCostheta(mu)d
VI
48. electric potential a distance r from a charge
(Patm) + (Pgauge)
n(Cv)(deltaT)
KQ/r
(N2)/(N1)
49. heat required to change temperature of a substance
opposite motion
delta x = (Vo)t + .5at^2
deltaU = deltaQ + deltaW
MC(deltaT)
50. force of gravity between two objects of mass m
(Di)/(Do) or (Hi)/(Ho)
VI
rF
GM*M/(r^2)