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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. adibatic
BA
constant volume
no heat flow
V^2=(Vo)^2 +2a*change in x
2. formula for energy of a spring mass when spring is at maximum displacement
.5KA^2
Ed=V
V+IR
GM*M/(r^2)
3. formula for power with Voltage and resistance
K |q||Q|/r^2
inelastic collision
(V^2)/R
mV -m(Vo)
4. change in internal energy during a cyclic process
(Patm) + (Pgauge)
0
m(v^2)/qvB
k|Q|/r^2
5. formula for change in internal energy in a cosnstat volume PV process
inelastic collision
1/4wavelength
(3/2)nRdeltaT
e=mc^2
6. focal length of a mirror with radius d
d/2
qVB
nSintheta=nsintheta
0
7. third kinematic
FV
(Fn)(mu)
V^2=(Vo)^2 +2a*change in x
(Di)/(Do) or (Hi)/(Ho)
8. electric potential a distance r from a charge
KQ/r
.5mV^2 + .5KA^2
1/4wavelength
F/A
9. formula equating energy and mass
0
J= Ft
e=mc^2
(Di)/(Do) or (Hi)/(Ho)
10. electric field in a distance r from a charge
Q=CV
delta x = (Vo)t + .5at^2
no temp change
k|Q|/r^2
11. formula for finding the work function of a metal if the cutoff frequency is known
qVB
.5KA^2
dSintheta=mwavelength
h(Fo)
12. formula for constructive interference in a diffraction grating
deltaU = deltaQ + deltaW
-KA
dSintheta=mwavelength
1/2wavelength
13. magnification equation
(Di)/(Do) or (Hi)/(Ho)
E/B
MC(deltaT)
sqrt(3KT/m)
14. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
nSintheta=nsintheta
(EMF)Rt/10
.5mV^2 + .5KA^2
V = (Vo) + at
15. energy stored in a capacitor
.5CV^2 or .5 Q^2/C or .5QV
AV=(A2)(V2)
roegh
deltaU = deltaQ + deltaW
16. formula for Carnot efficiency
((Th) -(Tl))/(Th)
KQ/r
(1/Do) + (1/Di) = (1/f)
sqrt(3KT/m)
17. formula for power with current and resistance
(I^2)R
(I^2)RT
Q=CV
(1/Do) + (1/Di) = (1/f)
18. force a charge in a Bfield
dSintheta=mwavelength
qVB
n(Cv)(deltaT)
net work = delta K
19. velocity of an electrion as it exitws from the hole
qrB/m
(No)(wavelength)=(Nn)(new wavelength)
.5KA^2
((Qin) -(Qout))/(Qin)
20. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
G M/((d/2)^2)
BLv
(hc/wavelength)=h(Fo) +(Vs)
.5CV^2 or .5 Q^2/C or .5QV
21. isothermal
2nt=mwavelength
d/2
no temp change
E/B
22. units for voltage other than volts
2nt=mwavelength
L -LCostheta
Joules/Columb
(V^2)/R
23. formula for buoyant force
V+IR
sqrt(3KT/m)
roeVg
(No)(wavelength)=(Nn)(new wavelength)
24. formula for centripetal acceleration
constant volume
(V^2)/r
(Wnet)/(Qin)
M(Lf)
25. force of friction
(Fn)(mu)
inelastic collision
(Patm) + (Pgauge)
J= Ft
26. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
.5mV^2 + .5KA^2
qE
joules/second
no force (right hand rule)
27. formula for the wavelength (debroglie wavelength) of a moving particle
-KA
Columbs/second
d/2
h/mv
28. formula for torque
2Pi * sqrt(l/g)
n(Cv)(deltaT)
rF
AV=(A2)(V2)
29. formula for constructive interference in a thin membrane with two phase changes
2nt=mwavelength
0
no temp change
qrB/m
30. voltage induced in a rod moving through a uniform magnetic field
V^2=(Vo)^2 +2a*change in x
Ed=V
BLv
AV=(A2)(V2)
31. type of collision where K is conserved
VI
elastic collision
MC(deltaT)
2nt=mwavelength
32. new wavelength of light as it enters a new substance
sqrt(T/(m/))
nSintheta=nsintheta
(No)(wavelength)=(Nn)(new wavelength)
BA
33. formula for period of a pendulum
(Di)/(Do) or (Hi)/(Ho)
2Pi * sqrt(l/g)
(hc/wavelength)=h(Fo) +(Vs)
hc/wavelength
34. formula for finding magnetic flux
BA
inelastic collision
(No)(wavelength)=(Nn)(new wavelength)
BLv
35. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
KI/r
.5mV^2 + .5KA^2
F/A
E/B
36. energy of a photon if wavelength is known
hc/wavelength
qrB/m
.5CV^2 or .5 Q^2/C or .5QV
-KA
37. formula for height of the block (at the start of a pendulum string) in terms of theta and L
L -LCostheta
dSintheta=mwavelength
no force (right hand rule)
qrB/m
38. snells law
V+IR
FV
nSintheta=nsintheta
VI
39. the force on a charge moving parallel to a magnetic field
Columbs/second
.5KA^2
e=mc^2
no force (right hand rule)
40. heat required to melt a substance
M(Lf)
1/2wavelength
(Patm) + (Pgauge)
(No)(wavelength)=(Nn)(new wavelength)
41. radius of curvature of a charged particle as it enters a uniform magnetic field
qrB/m
m(v^2)/qvB
constant pressure
(Fn)(mu)
42. work energy theorum
net work = delta K
e=mc^2
GM*M/(r^2)
constant volume
43. formula for finding the momentum of a photon
(Patm) + (Pgauge)
joules/second
h/wavelength
(Fn)(mu)
44. heat required to change temperature of a substance
joules/second
MC(deltaT)
(Fn)(mu)
nSintheta=nsintheta
45. total capacitance of capacitors in series
deltaU -deltaW
((Th) -(Tl))/(Th)
1/((1/C)+(1/C)..........)
mV -m(Vo)
46. the force on a charge in an electric field
qE
(V^2)/R
BLv
-KA
47. forgotten power equation
(I^2)RT
mgCostheta(mu)d
FV
(I^2)R
48. equation of continuity
AV=(A2)(V2)
V+IR
qE
sqrt(T/(m/))
49. type of collision where objects stick togerther
nSintheta=nsintheta
roeVg
perfectly inelastic collision
e=mc^2
50. formula for efficiency of a heat engine using work out
e=mc^2
.5CV^2 or .5 Q^2/C or .5QV
KQ/r
(Wnet)/(Qin)