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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. snells law
qVB
(Di)/(Do) or (Hi)/(Ho)
nSintheta=nsintheta
sqrt(T/(m/))
2. lens/mirror equation
constant pressure
n(Cv)(deltaT)
inelastic collision
(1/Do) + (1/Di) = (1/f)
3. 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)
no heat flow
J= Ft
4. force of friction
roegh
GM*M/(r^2)
G M/((d/2)^2)
(Fn)(mu)
5. formula for the wavelength (debroglie wavelength) of a moving particle
constant volume
F/A
h/mv
V+IR
6. isothermal
(I^2)RT
h/wavelength
no temp change
V^2=(Vo)^2 +2a*change in x
7. velocity of an electrion as it exitws from the hole
(I^2)RT
V+IR
qrB/m
E/B
8. formula for impluse involving time
0
F/A
.5KA^2
J= Ft
9. total capacitance of capacitors in series
1/((1/C)+(1/C)..........)
KI/r
m(v^2)/qvB
Ed=V
10. formula for finding the momentum of a photon
h/wavelength
hc/wavelength
-KA
frequency never changes for light problems
11. formula for power with Voltage and resistance
roegh
(Di)/(Do) or (Hi)/(Ho)
Columbs/second
(V^2)/R
12. formula for height of the block (at the start of a pendulum string) in terms of theta and L
K |q||Q|/r^2
frequency never changes for light problems
L -LCostheta
inelastic collision
13. equation of continuity
-KA
1/4wavelength
AV=(A2)(V2)
hc/wavelength
14. type of collision where K is conserved
e=mc^2
net work = delta K
2nt=mwavelength
elastic collision
15. change in internal energy during a cyclic process
(3/2)nRdeltaT
(Wnet)/(Qin)
(V^2)/r
0
16. the force on a charge in an electric field
h(Fo)
sqrt(T/(m/))
qE
elastic collision
17. type of collision where objects stick togerther
roegh
rF
(N2)/(N1)
perfectly inelastic collision
18. energy stored in a capacitor
M(Lf)
.5CV^2 or .5 Q^2/C or .5QV
perfectly inelastic collision
Columbs/second
19. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
perfectly inelastic collision
.5mV^2 + .5KA^2
roegh
qV
20. formula for finding magnetic flux
no temp change
BA
deltaU = deltaQ + deltaW
.5KA^2
21. formula for Carnot efficiency
FV
n(Cv)(deltaT)
(I^2)RT
((Th) -(Tl))/(Th)
22. the units of current other than amps
-KA
L -LCostheta
Columbs/second
1/4wavelength
23. formula for efficiency of a heat engine using work out
qVB
V+IR
(Wnet)/(Qin)
constant pressure
24. third kinematic
qVB
M(Lf)
.5CV^2 or .5 Q^2/C or .5QV
V^2=(Vo)^2 +2a*change in x
25. formula for power with current and voltage
dSintheta=mwavelength
VI
Columbs/second
(I^2)R
26. hooke's law force of a spring
E/B
-KA
deltaU = deltaQ + deltaW
qrB/m
27. type of collision where K is not conserved
2nt=mwavelength
roegh
inelastic collision
h/wavelength
28. new frequency of light as it enters a new substance
((Qin) -(Qout))/(Qin)
frequency never changes for light problems
2nt=mwavelength
2Pi * sqrt(l/g)
29. heat required to change temperature of a substance
k|Q|/r^2
MC(deltaT)
delta x = (Vo)t + .5at^2
h(Fo)
30. formula for buoyant force
no temp change
GM*M/(r^2)
(3/2)nRdeltaT
roeVg
31. pressure
frequency never changes for light problems
(I^2)R
(V^2)/R
F/A
32. focal length of a mirror with radius d
e=mc^2
roegh
d/2
V^2=(Vo)^2 +2a*change in x
33. formula for constructive interference in a diffraction grating
k|Q|/r^2
L -LCostheta
qE
dSintheta=mwavelength
34. formula for torque
rF
((Qin) -(Qout))/(Qin)
1/((1/C)+(1/C)..........)
KQ/r
35. formula for power with current and resistance
(I^2)R
hc/wavelength
1/4wavelength
constant volume
36. formula relating voltage and electric field
-KA
Ed=V
sqrt(T/(m/))
1/((1/C)+(1/C)..........)
37. 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
e=mc^2
J= Ft
V+IR
38. formula for constructive interference in a thin membrane with two phase changes
pL/A
1/4wavelength
KI/r
2nt=mwavelength
39. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
BLv
d/2
E/B
joules/second
40. formula for centripetal acceleration
(V^2)/r
qV
Ed=V
(1/Do) + (1/Di) = (1/f)
41. the electric force between two objects of charge Q
.5mV^2 + .5KA^2
-KA
K |q||Q|/r^2
roegh
42. magnification equation
.5KA^2
(Wnet)/(Qin)
(Di)/(Do) or (Hi)/(Ho)
(1/Do) + (1/Di) = (1/f)
43. work energy theorum
dSintheta=mwavelength
FV
net work = delta K
J= Ft
44. formula equating energy and mass
2nt=mwavelength
constant pressure
mV -m(Vo)
e=mc^2
45. energy of a photon if wavelength is known
hc/wavelength
(Wnet)/(Qin)
no force (right hand rule)
BLv
46. formula for energy of a spring mass when spring is at maximum displacement
(Fn)(mu)
.5KA^2
constant volume
no force (right hand rule)
47. formula for period of a pendulum
delta x = (Vo)t + .5at^2
2Pi * sqrt(l/g)
E/B
perfectly inelastic collision
48. formula to find the gauge pressure at the bottom of a pool
Joules/Columb
qV
roegh
(V^2)/r
49. natural frequency of an open tube of length L
(No)(wavelength)=(Nn)(new wavelength)
M(Lf)
1/2wavelength
(V^2)/R
50. formula for finding the work function of a metal if the cutoff frequency is known
h(Fo)
(No)(wavelength)=(Nn)(new wavelength)
net work = delta K
constant volume