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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. force of friction
nSintheta=nsintheta
(Fn)(mu)
Ed=V
Q=CV
2. formula for finding the magnetic field a distance r from a current carrying wire
KI/r
.5KA^2
sqrt(3KT/m)
G M/((d/2)^2)
3. formula for finding magnetic flux
(V^2)/R
qrB/m
BA
(I^2)RT
4. hooke's law force of a spring
Columbs/second
((Th) -(Tl))/(Th)
-KA
AV=(A2)(V2)
5. force of gravity between two objects of mass m
GM*M/(r^2)
(V^2)/R
(1/Do) + (1/Di) = (1/f)
(EMF)Rt/10
6. velocity of waves on a string if tension is known
(V^2)/r
constant volume
sqrt(T/(m/))
pL/A
7. formula for energy of a spring mass when spring is neither at maximum displacement nor at equilibrium
G M/((d/2)^2)
e=mc^2
.5mV^2 + .5KA^2
M(Lf)
8. type of collision where objects stick togerther
deltaU = deltaQ + deltaW
Q=CV
perfectly inelastic collision
d/2
9. formula for efficiency of a heat engine using work out
(Wnet)/(Qin)
K |q||Q|/r^2
elastic collision
Joules/Columb
10. magnification equation
(Fn)(mu)
(Di)/(Do) or (Hi)/(Ho)
deltaU -deltaW
2nt=mwavelength
11. heat during an isometric process
Q=CV
n(Cv)(deltaT)
(V^2)/r
constant volume
12. forgotten power equation
L -LCostheta
no temp change
FV
elastic collision
13. energy of a photon if wavelength is known
hc/wavelength
(hc/wavelength)=h(Fo) +(Vs)
Joules/Columb
Q=CV
14. formula for finding the work function of a metal if the cutoff frequency is known
no heat flow
2nt=mwavelength
h(Fo)
.5CV^2 or .5 Q^2/C or .5QV
15. electric field in a distance r from a charge
(Patm) + (Pgauge)
nSintheta=nsintheta
k|Q|/r^2
mgCostheta(mu)d
16. the force on a charge moving parallel to a magnetic field
E/B
(1/Do) + (1/Di) = (1/f)
h/wavelength
no force (right hand rule)
17. formula for Carnot efficiency
V+IR
m(v^2)/qvB
((Th) -(Tl))/(Th)
no force (right hand rule)
18. formula for finding the energy required to move a charged particle from infinity to a point a certain distance away from a charged particle
(Patm) + (Pgauge)
hc/wavelength
qV
Ed=V
19. velocity of a charge traveling at a constant veloc ity through crossed E and B fields
qV
1/2wavelength
nSintheta=nsintheta
E/B
20. formula for change in internal energy in a cosnstat volume PV process
(Fn)(mu)
G M/((d/2)^2)
(3/2)nRdeltaT
opposite motion
21. isometric
constant volume
joules/second
(Fn)(mu)
-KA
22. formula for energy of a spring mass when spring is at maximum displacement
1/4wavelength
1/2wavelength
-KA
.5KA^2
23. pressure
F/A
joules/second
Ed=V
e=mc^2
24. lens/mirror equation
k|Q|/r^2
n(Cv)(deltaT)
(1/Do) + (1/Di) = (1/f)
(No)(wavelength)=(Nn)(new wavelength)
25. formula for constructive interference in a diffraction grating
GM*M/(r^2)
mgCostheta(mu)d
e=mc^2
dSintheta=mwavelength
26. force of frction on an incline
.5mV^2 + .5KA^2
(No)(wavelength)=(Nn)(new wavelength)
mgCostheta(mu)d
dSintheta=mwavelength
27. formula for finding the qacceleration due to gravity at the surface of a planet of mass M and diameter d
G M/((d/2)^2)
V = (Vo) + at
constant volume
(1/Do) + (1/Di) = (1/f)
28. the force on a charge in an electric field
1/2wavelength
opposite motion
qE
V^2=(Vo)^2 +2a*change in x
29. equation for the first law of thermodynamics
elastic collision
h/wavelength
((Qin) -(Qout))/(Qin)
deltaU = deltaQ + deltaW
30. formula for centripetal acceleration
frequency never changes for light problems
(V^2)/r
h/wavelength
(3/2)nRdeltaT
31. equation of continuity
(3/2)nRdeltaT
d/2
AV=(A2)(V2)
VI
32. radius of curvature of a charged particle as it enters a uniform magnetic field
Joules/Columb
FV
m(v^2)/qvB
no heat flow
33. formula used to find the heat generated by a resistor after a certain amount of time if the current through the resistor is known
2Pi * sqrt(l/g)
MC(deltaT)
(I^2)RT
h/mv
34. snells law
no temp change
nSintheta=nsintheta
1/4wavelength
KQ/r
35. EMF of a battery having internal resistance R
V+IR
(3/2)nRdeltaT
(I^2)RT
(V^2)/r
36. new frequency of light as it enters a new substance
J= Ft
1/4wavelength
frequency never changes for light problems
(hc/wavelength)=h(Fo) +(Vs)
37. formula for the wavelength (debroglie wavelength) of a moving particle
VI
h/mv
1/2wavelength
F/A
38. formula for impulse involving momentum
deltaU = deltaQ + deltaW
mV -m(Vo)
delta x = (Vo)t + .5at^2
no force (right hand rule)
39. formula equating energy and mass
((Qin) -(Qout))/(Qin)
Joules/Columb
e=mc^2
qE
40. the electric force between two objects of charge Q
K |q||Q|/r^2
2nt=mwavelength
-KA
(EMF)Rt/10
41. velocity of an electrion as it exitws from the hole
roegh
2nt=mwavelength
qE
qrB/m
42. isobaric
constant pressure
Q=CV
F/A
h/mv
43. formula for current through the resistor when the ten coils are removed from the B field in an amount of time t
Ed=V
nSintheta=nsintheta
qE
(EMF)Rt/10
44. resistance of a wire
2nt=mwavelength
roegh
d/2
pL/A
45. heat required to melt a substance
M(Lf)
(I^2)R
constant volume
(Fn)(mu)
46. type of collision where K is not conserved
(Wnet)/(Qin)
(hc/wavelength)=h(Fo) +(Vs)
inelastic collision
.5mV^2 + .5KA^2
47. formula for power with current and voltage
1/((1/C)+(1/C)..........)
VI
((Qin) -(Qout))/(Qin)
h/wavelength
48. formula for power with Voltage and resistance
constant volume
K |q||Q|/r^2
(V^2)/R
nSintheta=nsintheta
49. velocity of a molecule of gas
Q=CV
sqrt(3KT/m)
(3/2)nRdeltaT
(hc/wavelength)=h(Fo) +(Vs)
50. third kinematic
V^2=(Vo)^2 +2a*change in x
BA
roegh
2nt=mwavelength