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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. resistance of a wire
1/2wavelength
(Di)/(Do) or (Hi)/(Ho)
pL/A
(Patm) + (Pgauge)
2. the electric force between two objects of charge Q
qrB/m
inelastic collision
K |q||Q|/r^2
n(Cv)(deltaT)
3. heat during an isometric process
no force (right hand rule)
n(Cv)(deltaT)
nSintheta=nsintheta
frequency never changes for light problems
4. formula for impulse involving momentum
mV -m(Vo)
VI
(3/2)nRdeltaT
inelastic collision
5. formula to find the absoluate pressure at the bottom of a pool
rF
(Patm) + (Pgauge)
(No)(wavelength)=(Nn)(new wavelength)
Q=CV
6. velocity of an electrion as it exitws from the hole
k|Q|/r^2
V^2=(Vo)^2 +2a*change in x
qrB/m
deltaU = deltaQ + deltaW
7. formula for the wavelength (debroglie wavelength) of a moving particle
VI
(Di)/(Do) or (Hi)/(Ho)
h/mv
(I^2)RT
8. isothermal
1/4wavelength
1/2wavelength
roeVg
no temp change
9. adibatic
mgCostheta(mu)d
no heat flow
Columbs/second
(I^2)R
10. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
E/B
V+IR
qV
qE
11. forgotten power equation
FV
Q=CV
frequency never changes for light problems
roeVg
12. force of frction on an incline
mgCostheta(mu)d
dSintheta=mwavelength
frequency never changes for light problems
Q=CV
13. the units of power other than watts
Ed=V
joules/second
qV
(I^2)RT
14. formula for period of a pendulum
.5mV^2 + .5KA^2
Columbs/second
mgCostheta(mu)d
2Pi * sqrt(l/g)
15. electric field in a distance r from a charge
K |q||Q|/r^2
m(v^2)/qvB
k|Q|/r^2
rF
16. energy stored in a capacitor
net work = delta K
.5CV^2 or .5 Q^2/C or .5QV
nSintheta=nsintheta
no force (right hand rule)
17. force a charge in a Bfield
(N2)/(N1)
(Di)/(Do) or (Hi)/(Ho)
GM*M/(r^2)
qVB
18. formula for finding magnetic flux
h/wavelength
BLv
BA
(EMF)Rt/10
19. formula for height of the block (at the start of a pendulum string) in terms of theta and L
GM*M/(r^2)
(Di)/(Do) or (Hi)/(Ho)
perfectly inelastic collision
L -LCostheta
20. formula for charge stored in a capciator
k|Q|/r^2
frequency never changes for light problems
joules/second
Q=CV
21. formula for finding the stopping potential of a metal for a wavelength if the cutoff frequency is known
AV=(A2)(V2)
(V^2)/R
(I^2)RT
(hc/wavelength)=h(Fo) +(Vs)
22. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
M(Lf)
(Di)/(Do) or (Hi)/(Ho)
qV
V = (Vo) + at
23. formula for efficiency not using work out
((Qin) -(Qout))/(Qin)
1/((1/C)+(1/C)..........)
roeVg
.5CV^2 or .5 Q^2/C or .5QV
24. formula for impluse involving time
.5KA^2
qE
J= Ft
(Wnet)/(Qin)
25. second kinematic
qE
delta x = (Vo)t + .5at^2
FV
E/B
26. formula equating energy and mass
(1/Do) + (1/Di) = (1/f)
no temp change
e=mc^2
BA
27. formula for constructive interference in a diffraction grating
constant volume
1/4wavelength
dSintheta=mwavelength
sqrt(T/(m/))
28. natural frequency of an open tube of length L
K |q||Q|/r^2
n(Cv)(deltaT)
qE
1/2wavelength
29. equation for the first law of thermodynamics
h(Fo)
deltaU = deltaQ + deltaW
AV=(A2)(V2)
rF
30. formula for power with current and resistance
(I^2)R
qVB
J= Ft
(Wnet)/(Qin)
31. electric potential a distance r from a charge
KQ/r
K |q||Q|/r^2
BA
h/mv
32. first kinematic
sqrt(3KT/m)
Joules/Columb
constant volume
V = (Vo) + at
33. force of friction
(1/Do) + (1/Di) = (1/f)
KI/r
Joules/Columb
(Fn)(mu)
34. formula for change in internal energy in a cosnstat volume PV process
net work = delta K
BA
(3/2)nRdeltaT
GM*M/(r^2)
35. the force on a charge in an electric field
elastic collision
K |q||Q|/r^2
(Wnet)/(Qin)
qE
36. type of collision where K is conserved
V = (Vo) + at
Columbs/second
elastic collision
(V^2)/r
37. third kinematic
GM*M/(r^2)
K |q||Q|/r^2
V^2=(Vo)^2 +2a*change in x
(I^2)R
38. force of gravity between two objects of mass m
1/2wavelength
roeVg
deltaU -deltaW
GM*M/(r^2)
39. pressure
FV
1/4wavelength
F/A
no temp change
40. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
KI/r
G M/((d/2)^2)
.5mV^2 + .5KA^2
GM*M/(r^2)
41. work energy theorum
pL/A
VI
rF
net work = delta K
42. EMF of a battery having internal resistance R
roegh
1/2wavelength
M(Lf)
V+IR
43. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
frequency never changes for light problems
.5KA^2
1/4wavelength
(EMF)Rt/10
44. formula for finding the magnetic field a distance r from a current carrying wire
mgCostheta(mu)d
M(Lf)
pL/A
KI/r
45. radius of curvature of a charged particle as it enters a uniform magnetic field
(I^2)R
roeVg
1/2wavelength
m(v^2)/qvB
46. the force on a charge moving parallel to a magnetic field
no force (right hand rule)
Joules/Columb
k|Q|/r^2
2nt=mwavelength
47. natural frequency of a closed tube of length L
Q=CV
(V^2)/R
(Wnet)/(Qin)
1/4wavelength
48. what direction is friction?
m(v^2)/qvB
dSintheta=mwavelength
deltaU -deltaW
opposite motion
49. formula for finding the work function of a metal if the cutoff frequency is known
MC(deltaT)
net work = delta K
h(Fo)
KI/r
50. voltage induced in a rod moving through a uniform magnetic field
roeVg
BLv
1/4wavelength
rF